The flu virus mutates very easily due to its core made of RNA. This type of virus is called a (n) ...

A) bacteriophage

B) prophage

C) adenovirus

D) retrovirus

What was the difference between Darwin and Lamarck? They both tried to explain evolution, but Darwin was able to support it with evidence. They both tried to explain evolution, but Lamarck was able to support it with evidence.

Which of these limit population growth? A) all limiting factors B) density-dependent factors C) density-independent factors D) environmental factors

Data that represents qualities or characteristics that cant be expressed by a number

All animals use vibrating air sacs or body parts (wings, legs, etc) to produce sounds True or False

Paving a large parking lot could interrupt or hurt which of the following? A. Krebs cycle B. Water cycle C. Carbon cycle D. Cellular respiration

Students at a university were split into two groups and each received a different text for a philosophy course.

What is the function of the throat in fish?

Which of the following is directly caused by gravity

Anna is a morally rigorous person who demands that her daughter remain a virgin until she is married. Anna cannot remember her own premarital sexual encounters. Which defense mechanism would likely account for this memory lapse?

Because plant-like protists make their own food from sunlight, in what kind of environment would they not be able to survive? Why?