Why is it important for the testes to be suspended in a sac outside the body cavity?

An organic will always contain

Which of the following statements is false? Ethologists believe that animal behavior is based on instinct. Comparative behaviorists believe that animal behavior is based on the environment.

What does the principe of competitive exclusion say will happen when two species compete for the same resource

Which one of the following does not contain calories? A. Carbohydrate B. Alcohol C. Water D. Protein

Which of the following is an example of transgenic organisms? Select one: a. microorganisms that produce cheese b. bacteria that produce human insulin c. algae that produce hydrogen gas d. yeast used to produce bread

Question 3 What major explanation did Charles Darwin provide? He explained how DNA is passed on but did not have evidence of it occurring. He was the first to provide an explanation of evolution supported by evidence.

There are several disadvantages for asexual reproduction, what would be an advantage

Explain the concept of sustainable use

An object that does not transfer heat easily, such as wood, is called an A) metal B) conductor C) insulator D) capacitor

In which phase of meiosis does the chromosome number change from diploid to haploid? Prophase I Anaphase I Prophase II