Since the hemlock and spruce trees are old, they are K-strategists. K-selected species, or K-strategists, are species that produce only a few offspring that live for a long time. r-selected species, or r-strategists, on the other hand are able to produce more offspring which survive for a shorter period of time.
I am not totally sure but I think it might biosphere
Answer:
The living things in order to maintain is homeostasis
Explanation:
crossing over is the exchange of chromosome segment between non sister chromatids in meiosis full stop crossing over create new combination of gene in the gamates that are not found in either parent contributing to genetic diversity.
- Excretory sytem does the removal of waste products and this system<span> must function properly in order to maintain </span>homeostasis<span>.
</span>- Digestive system helps maintain<span> its </span>homeostasis<span> by changing the PH from the saliva.This makes an acidic environment that helps break down food really fast and protects your body from bacteria.
</span>- The endocrine system<span> plays an important role in </span>homeostasis<span> because hormones regulate the activity of body cells.
Just so you know, The release of hormones into the blood is controlled by a stimulus.</span>