Which of the following ecological units includes abiotic factors?

A. A community

B. An ecosystem

C. A population

D. A trophic level

Which of the following are characteristics of Basidiomycota? Check all that apply. lack reproduction phase spores produced in basidia spores produced in zygosporangia important in the food industry important in the fermentation process can cause

A carrier is someone whoA. intentionally and maliciously violates contamination standards. B. calls in sick to work due to an upper respiratory illness. C. transmits a pathogen to others without ever getting sick. D.

An alien or invasive species can: a) cause economic or environmental harm b) cause humans harm c) have no natural predators d) all of the above

What part of the cell do the particles have to move through in order to get from one side to the other?

What should a following are examples of fossil fuels? A) Cole, petroleum, and wind power B) Cole, petroleum, natural gas C) petroleum, natural gas, and solar power D) natural gas, cold, and wind power

Some students are comparing the parts of a cell to the parts of the body. Which part best represents the cell membrane and why?

What is the difference between the nitrogen and carbon cycles?

How do bones in a fossil survive for millions of years?

How are elements and compounds rexlated?

What would occur in the body's muscles if there was a drastic decrease in calcium production?