PLEASE IS SCIENCE 8th GRADE
balanced, which means that the forces pushing the rock in one direction are equal to the forces pushing the rock in the opposite direction. This is why the rock remains motionless on the flat sidewalk.
Plants are considered to be ___________ because they are the only living organisms that make their own food.
Answer:
heterotrophs
Explanation:
plants can prepare their own food due to a process called photosynthesis.
animals depend on other animals or plants to make their food so they are called autotrophs
HELP ME ASAPPP- A piece of mRNA had the code AUU UGC AAC CAU. Which amino acid are coded in this strand
Answer:
isoleucine, cysteine, asparagine, histidine
Explanation:
please help me with this!! I will mark brainliest!
Can somebody figure this crossword puzzle out? Ignore the red circles though.
Answer:
its on quizlet
Science Help - Ecosystem Question
Are plants primary consumers or producers?
Answer:
The primary producers are autotrophs and are most often photosynthetic organisms such as plants, algae, or cyanobacteria. The organisms that eat the primary producers are called primary consumers. Primary consumers are usually herbivores, plant-eaters, though they may be algae eaters or bacteria eaters.
Answer: Producers
Explanation: I have learned about this before. But here is a double check.
Infectious Disease Investigation
The students are to investigate an infectious disease.
They will choose a specific infectious disease, such as the flu, common cold, or
COVID-19, and research its causes, symptoms, and preventive measures.
Students are to create informative posters or presentations about the disease,
including its transmission methods and ways to protect oneself from infection.
They will explain the importance of personal hygiene and vaccination in preventing
the spread of infectious diseases.
Following the summer vacation, the students will be given an opportunity to present
their findings to the class or organize an "Infectious Disease Awareness Campaign"
where they can share their posters or presentations with their peers.
Answer:
The common cold is an illness affecting your nose and throat. Most often, it's harmless, but it might not feel that way. Germs called viruses cause a common cold.
Often, adults may have two or three colds each year. Infants and young children may have colds more often
Which is an example of a trace fossil?
A: animal burrow
B: skin of organism
C: preserved bone
D: petrified wood
Answer:
A: Animal burrow
Explanation:
Edge 2021
Trace fossils can be defined as the ones that provide geological records of the behavior and activities of past life.
These are also known as Ichnofossils.Trace fossils include borings, track and trails, burrowings, and coprolites and gastrolithes.Among the given examples, the evidence of past life is provided by the burrows of animals.Hence, among the given examples, trace evidence is an animal burrow. Therefore, the correct answer is option a.
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Which of these is an environmental effect of deforestation?
temeture decrease
posioning wildlife
soil erosion
water tempeture increase
Answer:
Soil erosion
Explanation:
I hope this was correct! pls give me brainliest if it was it would be appreciated if not thats fine! <3
7th Grade Science Homework =﹏=
everything is on the screenshots! ^w^
and the 3rd screenshot is there to help with questions 4 & 5! ^w^
Answer:
Explanation:
1. C
2. D
3. B
4. D
5. A
(im in biology rn)
drop the snap and i gotchu with whatever
What does seed dispersal mean?
It is when the seeds are spread over a wide area.
It is when the seeds are dispersed within the plant.
It is when the seeds start to photosynthesize.
It is when the seeds begin the germination process.
Answer: It is when the seeds are spread over a wide area.
Facts about dispersal
Disperal means spreading and distrubitiondispersal as a mechanism of scattering seedsDisperal can spread in many different locations
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Wave Rock, Australia
This concave rock formation is part of the northern side of Hyden Rock located in Hyden Wildlife Park, Western Australia. It is made of granite and estimated at 2.7 billion years old. The wave shape formed over the years by the action of running water weathering the middle faster than the top. The streaks on its face are minerals that were deposited by rainwater runoff.
--------------------------------------------------------------------------------------------------------------------------------
(02.03 MC)
While visiting Wave Rock in Australia, you observe streaks of minerals present on the landform. What natural process most likely caused the streaking?
Select one:
a. Erosion
b. Deposition
c. Oxidation
d. Weathering
Answer: It would most likely be Erosion i think.
Explanation:Erosion happens when rocks and sediments are picked up and moved to another place by ice, water, wind or gravity. Mechanical weathering physically breaks up rock. ... Over time pieces of rock can split off a rock face and big boulders are broken into smaller rocks and gravel.
There is more than one way to produce the amino acids that build a protein. What does this mean?
The statement that there is more than one way to produce the amino acids that build a protein means that there are multiple ways that the body can obtain the necessary amino acids from the nutrients.
What is protein?There are two main ways that the body can obtain these amino acids: through dietary intake and through the breakdown of existing proteins in the body. The human body cannot produce all the amino acids it needs on its own, so it must obtain the remaining amino acids through the diet. These are known as essential amino acids, and they include histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
Hence, there is more than one way to produce the amino acids that build a protein, meaning that there are multiple ways that the body can obtain the necessary amino acids from the nutrients.
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Is it likely that scientists will unearth something that will show the theory of evolution to be false?
Answer: Yes
Explanation: As time passes Scientists discover new things every day. The chance of them finding something to prove the theory of evolution is highly possible. Hope this helps.
Label the Big Dipper, Little Dipper, and indicate the Polaris.
The Polaris lies in a direct line with the Earth's rotational axis, which is "above" the North Pole (north celestial pole). Its stands almost motionless in the sky, and all the stars of the northern sky appear to rotate around it. The attached image is a clear indication.
How can we describe the Polaris location in the sky?The Polaris appears to remain stationary in the sky while all other stars appear to rotate around it. To locate Polaris in the sky, one must first find the Big Dipper, which is a well-known group of seven stars that resemble a ladle or dipper. If one follows the two stars at the end of the bowl of the Big Dipper, they will point directly to Polaris.
Once located, Polaris can be used as a guide to determine one's direction when navigating at night. Because it is very close to the celestial north pole, its position in the sky is directly above the Earth's geographic North Pole. This makes it a reliable reference point for navigation in the Northern Hemisphere.
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What is a parasitic relationship?
A parasitic relationship is a sort of symbiotic relationship between two species in which the parasite benefits at the expense of the host while the host benefits from the parasite's presence. Living on or inside the host provides the parasite with nourishment, protection, and other resources for survival, development, and reproduction. In the meantime, the host suffers because the parasite frequently disrupts the host's tissues, organs, or other essential processes, which can result in diminished fitness, illness, or death.
Answer:
A.k.a Parasitism.
It's a sort of symbiotic relationship between two organisms, where a parasite is living off a host, but the parasite benefits, and the host is mostly harmed.
The parasite receives its nourishment and shelter from the host though it's in the parasite's best interest not to kill the host. In turn, the parasite relieves the host from certain diseases or allergies due to parasitic infections which may have protective effects.
Hope this helps <3
Determine whether each of the following is a characteristic of DNA, RNA, or both.
Contains adenine:
Is double-stranded:
Is made of nucleotides:
Contains deoxyribose sugar
Answer:
These are characteristics of DNA.
Explanation:
RNA is not double stranded.
please help will mark brainliest for answer with explanation, but will report if rubbish answers are given
thank you
Answer:
A is the cell surface membrane
B is the nucleus
C is the cytoplasm
Image by Mariana Ruiz Villarreal
Which phase of mitosis is shown in the diagram?
O anaphase
O metaphase
O telophase
O prophase
The phase of mitosis in the diagram is Anaphase.
The cell cycle can be divided into interphase and mitotic M phase.The mitotic M phase refers to the process cell division of somatic cells.This phase (M phase) can be divided into a series of sequential steps that include Prophase, Metaphase, Anaphase, Telophase and Cytokinesis.In Anaphase, the chromosomes separate and travel to opposite poles of the cell.In conclusion, the phase of mitosis in the diagram is Anaphase.
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Beavers, large members of the rodent family in North America, are often referred to as “ecosystem/keystone engineers” by wildlife managers. Ecosystem engineers are described as animals that create, alter, or destroy a habitat. Beavers contribute to river ecosystems by bringing down old and dead trees along riverbanks. They use these trees to make their dams. Although these dams are primarily used for protection and food storage, scientists report that these dams change the surrounding environment in different ways.
Given this information, in three to five sentences, describe a potential benefit that beavers contribute to the ecosystem as keystone engineers and describe a plausible impact that the removal of beavers could have on the surrounding ecosystem.
Answer:The potential benefit that beavers contribute to the ecosystem include sources of food and habitat for some animals.This consists of all the organisms and the physical environment with which they interact.The removal of the beavers will allow for more oxygen to be present within the ecosystem as a result of increased plant population.
Explanation:
Answer:
2-6=4 thx
Explanation:
it is thx
A crow is an omnivore. On what level of the energy cycle would the crow be placed? *
1.Top
2.Bottom
3.Middle
Answer:
middle :)
Explanation:
A heterozygous for height pea plant is crossed with a homozygous recessive for height pea plant. What is the punnet square?? Please answer quickly!!!
Match the terms to the definition.
Question 1 options:
The idea of that the Earth and planets orbit the sun. A sun-centered view.
Huge clusters of stars, gas, and dust bound by the force of gravity.
A group of objects that orbit a star.
Jupiter, Saturn, Uranus, Neptune. Gas giants.
The spinning of a planet on its axis, causing day and night.
The orbit of a planet around the sun. On Earth, one year.
Mercury, Venus, Earth, Mars. Terrestrial, rocky.
A force of attraction that keeps planets orbiting the sun.
A rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.
The theory the universe came forth from a single spot in an enormous explosion.
1.
Big Bang
2.
Doppler Effect
3.
Nebula
4.
Solar System
5.
Geocentric theory
6.
Heliocentric theory
7.
Gravity
8.
Galaxy
9.
Rotation
10.
Revolution
11.
Inner planets
12.
Outer planets
13.
Meteor
14.
Meteorite
15.
Meteoroid
1. Big Bang:- The theory the universe came forth from a single spot in an enormous explosion.
3. Nebula:- Huge clusters of stars, gas, and dust bound by the force of gravity.
4. Solar System:- A group of objects that orbit a star (Sun)
6. Heliocentric theory:- The idea that the Earth and planets orbit the sun. A sun-centered view.
7. Gravity:- A force of attraction that keeps planets orbiting the sun.
8. Galaxy:- Huge clusters of stars, gas, and dust bound by the force of gravity.
9. Rotation:- The spinning of a planet on its axis, causing day and night.
10. Revolution:- The orbit of a planet around the sun. On Earth, one year.
11. Inner planets:- Mercury, Venus, Earth, Mars. Terrestrial, rocky.
12. Outer planets:- Jupiter, Saturn, Uranus, Neptune. Gas giants.
13. Meteor:- A rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.
For further information on such terms nad definitions,
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The solar system consists of many planets, moons, stars, asteroids, comets, and meteoroids, which itself is a part of the milky way galaxy. Beyond this are millions of galaxies that constitute the universe.
Big Bang is the theory the universe came forth from a single spot in an enormous explosion. Solar System is a group of objects that orbit a star. The heliocentric theory is the idea that the Earth and planets orbit the sun, a sun-centered view. Gravity is a force of attraction that keeps planets orbiting the sun.
Galaxy is a huge cluster of stars, gas, and dust bound by the force of gravity. Rotation is the spinning of a planet on its axis, causing day and night. Revolution is the orbit of a planet around the sun. On Earth, one year. The inner planets are Mercury, Venus, Earth, and Mars. Terrestrial and rocky. Outer planets are Jupiter, Saturn, Uranus, Neptune, and Gas giants.
Meteor is a rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.
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pls help me, I need this rn, thank you!
Answer:
1.) DEPED: Department of Education;
Role: Improving the quality of education
2.) DENR: Department of Environment and National resources;
Role: Conservation, management, and development of the country's environment and natural resources.
3.) DOST: Department of Science and Technology
Role: The executive department of the Philippine Government responsible for the coordination of science and technology-related projects in the Philippines
4.) DSWD: Department of Social Welfare and Development
Role: Develop, implement and coordinate social protection and poverty-reduction solutions for and with the poor, vulnerable, and disadvantaged.
5.)TESDA: Technical Education and Skills Development Authority
Role: The government agency tasked to manage and supervise technical education and skills development in the Philippines.
Explanation:
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These are just some of the Philippine government agencies that are involved in protecting the environment. There are many other agencies that play a role in this important task.
What are these agencies?Department of Environment and Natural Resources (DENR): The DENR is the lead agency in the formulation and implementation of environmental policies, laws, and regulations. It is also responsible for the management of natural resources, including forests, wildlife, and marine resources.
Department of Science and Technology (DOST): The DOST conducts research on environmental issues and develops technologies to address them. It also provides technical assistance to other government agencies and the private sector in the implementation of environmental programs.
Department of Social Welfare and Development (DSWD): The DSWD provides social services to people affected by environmental disasters. It also provides assistance to communities that are vulnerable to environmental hazards.
Technical Education and Skills Development Authority (TESDA): TESDA trains people in environmental-friendly technologies and practices. It also provides certification to workers in the environmental sector.
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What animal makes pepperoni?
sometimes it's made of cow and pig or it's just pig it just depends on what kind
Matter continuously cycles between the living and nonliving parts of an ecosystem. The flow of energy drives the cycling of matter through ecosystems.
The water, carbon, and nitrogen cycles share patterns in the flow of matter and energy through ecosystems. Describe two different patterns that can be observed in all three cycles.
NEEEEEEDDD THE ANSWER PLSSSSSSSS NOWWWWW
death and feeding process
Water, carbon and nitrogen cycles are biogeochemical cycles that exist in the biosphere to maintain a balance in the flow of energy and matter.
What patterns are observed in the cycles?There are three major biogeochemical cycles - water, nitrogen and carbon - that exist in nature which allow the transfer of matter and energy between the living and non-living things of the biosphere.
All the three cycles involve the exchange of gases from the plants to atmosphere to the animals or microbiota, which is again released back into the atmosphere.
Plants absorb the nitrogen, carbon and water in different forms from the environment which is then passed on.
Another similar pattern seen amongst the three is that humans release carbon, nitrogen and oxygen in various forms.
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Scientists think modern green algae and plants are descended from ancient green algae that lived in the oceans. What are similarities between modern green algae and plants? (Select the 4 that apply.)
Answer:
Explanation:
They both contain similar chlorophyll(a and b)
They both have a 2-part life cycle
they both have the same cell walls
They both store energy as starch
In some parts of the United States and around the world, clean water is in scarce supply. Write a paragraph that explains why water is vital to life, why it’s important to conserve water and how people can do so.
Create a food web diagram for a meadow. Once you have your diagram, categorize the organisms according to which of them are producers, first-order consumers, second-order consumers and third-order consumers. There should be at least 15 organisms in your food web.
Answer:\ +----------------------+
| Sun (Energy) |
+----------+-----------+
|
+-----------v-----------+
| Grass |
+-----------+-----------+
|
+-----------v-----------+
| Flowers |
+-----+-----+-----+-----+
| |
+----------v-+ +------v---------+
| Grasshopper | | Rabbit |
+------+-------+ +------+-------+
| |
| |
+-------------v--+ +---------v-------------+
| Caterpillar | | Squirrel |
+------+---------+ +---------+-----------+
| |
| |
+---------v-----------+ +---------v-------------+
| Ladybug | | Chipmunk |
+---------+----------+ +---------+-----------+
| |
| |
+---------v-----------+ +---------v-------------+
| Spider | | Bird |
+---------+----------+ +---------+-----------+
| |
| |
+---------v-----------+ +---------v-------------+
| Dragonfly | | Hawk |
+---------+----------+ +---------+-----------+
| |
| |
+---------v-----------+ +---------v-------------+
| Frog | | Snake |
+---------+----------+ +---------+-----------+
| |
| |
+---------v-----------+ +---------v-------------+
| Fish | | Fox |
+---------+----------+ +---------+-----------+
| |
| |
+---------------------------+
calculate the net force
Answer: 40 N right
sorry if this isnt right i tried my best