An infection begins when a pathogen or parasite begins to cause symptoms of a disease.

How would living things most likely be affected if there were a shortage of water on Earth? Living things would not be able to live, reproduce, or regulate their own temperature Living things would not be able to absorb and transport heat or

On earth, biodiversity generally increases from the?

Sunlight can be considered a food resource.

Miss Smith has blood type a father has blood type a and her mother has blood type B Mr. Smith has blood type AB what is the probability that they will have a child with blood type AB

Some kit fox populations live in forested areas and others inhabit desert environments. The foxes appear almost identical, except for ear size. The desert kit fox population has significantly larger ears.

Select the correct answer, in Watson's Little Albert Experiment, what does the loud metal clanging noise represent? A. a neutral stimulus B. an unconditioned stimulus C. an unconditioned response D. a conditioned stimulus E. a conditioned response

In a population of turtles, the allele that causes a yellow shell (y) is dominant to the allele that results in a red shell (y). if the dominant allele is present in the population at the 0.

An allele is one of the alternative forms of a gene that governs a trait. If a fern plant is heterozygous for a particular trait, how can the alleles that control that trait be described? A. one dominant, one recessive B. two dominant C.

In order to survive, all organisms must carry out 1) autotrophic nutrition 2) heterotrophic nutrition 3) enzyme-controlled reactions 4) the process of reproduction

Compare and contrast a plant cell with an animal cell. Make sure you give at least two comparisons and two differences.