Through what process does a spermatid become a functioning spermatozoan?

A. Mitosis

B. Differentiation

C. Fertilization

D. Meiosis

What is the last spot where csf circulates before being resorbed by the circulatory system?

Organisms maintain dynamic homeostasis through behavioral and physiological mechanisms. Which of the following statements is an accurate explanation of a negative feedback mechanism used by animals to regulate body temperature?

What happens to the glucose that is transported into the epithelial cells?

Which one of these statements best sums up evolution A. rapid change in species' habits and features B. punctuated change in a population C. change in a population through new species being made D.

When are conservation efforts most effective

How do scientists know that the universe is expanding? The Doppler effect shows stars with yellow shifted light The Doppler effect shows stars with green shifted light The Doppler effect shows stars with red shifted light The Doppler effect shows

What are two ways in which scientists transform plant cells without using plasmids?

Exploring how indoor air pollutions lead to respiratory problems is an example of using biology to what

How does development differ from growth?

Most states have deer hunting seasons designed to reduce