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Svetlanka [38]
2 years ago
15

- 7th Grade Work -

Biology
2 answers:
OLEGan [10]2 years ago
7 0
We depend on the food chain and lower tier animals in order to feed other animals. It both keeps the ecosystem populations balanced whilst helping out all of the organisms
Nat2105 [25]2 years ago
4 0

Explanation:

Human health ultimately depends upon ecosystem products and services (such as availability of fresh water, food and fuel sources) which are requisite for good human health and productive livelihoods. Significant direct human health impacts can occur if ecosystem services are no longer adequate to meet social needs.

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The particles that make up a rock are constantly in motion. However, a rock does not visibly vibrate. Why do you think this is?
anygoal [31]
I think this is because the molecules in the rock are so small. The rock is also a solid.
4 0
3 years ago
Which of the following types of micro organisms are the most beneficial to other organisms in an ecosystem
balu736 [363]

Answer:

Bacteria.............

7 0
3 years ago
You have a cup of beans in front of you with 20 white beans and 20 red beans. These beans represent the alleles for a simple Men
Marta_Voda [28]

Answer:

Dominant: 20, Recessive: 20

Explanation:

The case shown in the question above explores simple Mendelian traits, since it shows a population where individuals of the same species present the dominant allele (R- red) and the recessive allele (r- white). We can project, then, that this population has an allele balance, where it is possible to find 20 red beans, which have the dominant allele and 20 white beans, which present the recessive allele.

4 0
3 years ago
Antidiuretic hormone (ADH) is important in maintaining homeostasis in mammals.
4vir4ik [10]

Answer:

true

Explanation:

7 0
2 years ago
Compare the ATP production process in photosynthesis with that of cellular respiration. Give at least one difference and one sim
lukranit [14]
1) Both involve electron transport chains. 
<span>2) Chemiomosis allows ATP synthase to produce ATP. </span>
<span>3) Both take place at some point within an organelle (mit. = CR, chloroplast= photo.) </span>
<span>4) Both utilize ATP for energy at some points. </span>
<span>5) Both provide power for cellular activities. </span>
<span>5 Differences </span>
<span>1)Cellular respiration depends on oxygen as a substrate. </span>
<span>2)Photosythesis utilizes 2 electron transport chains (not just 1). </span>
<span>3)In Photo. , energy is provided by photons and not catabolic processes as in cell. resp. </span>
<span>4)Photosynthesis involves the production of NADPH (CR involves NADH and FADH2) </span>
<span>5)Photosynthesis involves CO2 and H20 as substrates (splitting h20 provides the electrons for the process).</span>
4 0
3 years ago
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