I believe the answer is C. The weaker members may die out and the stronger members become the species
Answer:
Therians do not lay egg.all birds lay egg
Explanation:
Common medical problems such as heart disease, type 2 diabetes, and obesity do not have a single genetic cause—they are likely associated with the effects of multiple genes (polygenic) in combination with lifestyle and environmental factors.
Answer:
Blood has many different functions, including:
- transporting oxygen and nutrients to the lungs and tissues.
- forming blood clots to prevent excess blood loss.
- carrying cells and antibodies that fight infection.
- bringing waste products to the kidneys and liver, which filter and clean the blood.
- regulating body temperature.
