Hello there ^ _ ^
I believe the answer is : A - Evolution
Good luck!
White Blood cells Because they are produced in your body and they are constantly used more than they are replaced
Artificial selection - The intervention of humans ensures that only individuals with the most desirable traits produce more offspring
- Farmers only breed the livestock that produce the most food..... Cow, Chicken, plant with the most vegetables
Answer:
B. Not all nonvascular plant bear seeds, but all vascular plants do bear seeds.
Explanation:
excretory system: removes waste from blood.
respiratory system: obtains oxygen so the energy in the nutrients can be extracted.
circulatory system: transports nutrients from small intestine to the othet tissues.
nervous system: regulates and controls digestive functioning.
( Am not completly sure, but i think this is the answer)
