In 1815, a catastrophic event indirectly resulted in very cold temperatures that caused crop failures and famine in North America

and Europe for two years. This catastrophic event was the

of Tambora.

A) volcano

B) tsunami

C) ice age

D) earthquake

The parents of an infant with tetralogy of fallot ask a nurse about the problems involved with this disorder. when answering, what must the nurse consider?

How can mutations occur in cells?

What does the term fitness mean when biologists are discussing evolution

The bat-eared fox has 30 chromosomes in its body cells. when the fox's body cells divide by mitosis, how many chromosomes will each daughter cell have

2. Describe adaptations of pioneer species.

Which are highly specialized membrane proteins that modify the cell's response to its environment? a. transport proteins b. enzymes c. receptors d. peroxisomes

Are fatty acids lipids, if so why?

The Sun heats the Earth's water. This warm water turns into a vapor, and rises into the atmosphere, where it cools off. What happens to this water vapor? A. The water vapor evaporates and escapes into space. New water is formed by precipitation. B.

Which of the following could cause only a physical change in a hamburger patty Cooking it Eating it Cutting it in half Letting it rot

You are studying a new species of plant similar to Mendel's pea plants. You are specifically interested in two genes that are located on two different chromosomes. In this plant, the gene for height has two alleles, T (tall) and t (short).