1. Which species is most vulnerable to extinction? Give at least 3 reasons why and explain.

Which term best describes the number and variety of organisms in a given area during a specific period of time? Select one: A carrying capacity B food chain C biodiversity D succession

At which level of the food pyramid is the smallest percentage of total stored energy found?

How many different proteins, each with a unique amino acid sequence, can be constructed with a length of 4 amino acids?

What are the two types of DNA found in bacterial cells

Evaluate the following statements regarding seeds and select which of them are true. Check all that apply. a. They contain nutritive tissue for the embryo. b. They contain an embryo. c. They consist entirely of diploid cells. d.

In the human male, the tube used to carry both sperm and urine is the

Is the hole in the occipital bone through which the spinal cord connects to the brain?

Which feature do Mediterranean countries have in common? A. religion B. cuisine C. currency D. language

Which of the following is a difference between antiseptics and antibiotics? A. Antiseptics kill microbial cells but antibiotics do not. B. Antibiotics kill microbial cells but antiseptics do not. C.

a cell phone company charges $40 per month for unlimited calling and $0.20 per text message sent it to you represents the number of text messages Rocky sent last month which expression represents the cost of her bill last month before any taxes or