The plasma membrane maintains homeostasis in the cell by keeping cell contents in and foreign material out, and by providing controlled avenues for the transportation of fuel, fluids and waste.
Answer:
A
Explanation:
The answer is Wingless I think.
Answer:
It can clog water intakes, use up dissolved oxygen as they decompose, and block light to deeper waters.
Explanation:
This causes overstimulation in growth of aquatic plants and algae.
<span>"they form a cyst: a hard covering is formed around the protozoan and metabolic rate is slowed"</span>
Answer:
The answer is C, 40,000.
Explanation:
You can obviously tell that 400 is too low... that's one meal for all of the turtles! They would need 40,000 minnows because it's a stable number. They can reproduce, and keep the population up. 4,000, though, is too low because they wouldn't have enough time to reproduce and continue to keep the population alive. Therefore, 40,000 should be a stable population.
