What are the four basic types of body tissue

Which of the following would rank lowest in cephalization? A. Arthropods B. Mammals C. Mollusks D. Cnidarians

A scientist has a pea plant with yellow seeds. It has one allele for yellow seeds (Y) and one for green seeds (y). Which describes the genotype of the pea plant? yellow seeds green seeds homozygous heterozygous

What is an example of a direct economic value of biodiversity? * O release of oxygen by green plants O diseases caused by bacteria O vaccines created from bacteria O drinking water provided by watersheds

You are jogging with a friend on a nearby trail one summer, after about 45 minutes he complains of dizziness and feels sick to his stomach. what might be wrong with your friend and what should you do to treat his symtoms

In the beginning, the environment was free of air pollution and the light colored moths were more prevalent in the forest against the light colored trees.

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.