How many bootstrap replicates are necessary?

Humans are diploid and have 46 chromosomes. How many chromosomes are found in each human gamete?

During summer months the weather is hot which causes a Ozone levels to rise, making the air unhealthy to breathe b. Ozone levels to fall, making the air healthy to breathe Ozone levels are lower in places of low altitude d.

Which substance is removed from the atmosphere so that plants can carry out photosynthesis?

Which of these is an Active Transport

What is a generalized term for organs in animals which produce sex cells? A. gametangium B. antheridium C. testis D. gonad

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.