What is a control group?

During an experiment on frog embryos, a scientist removes a few cells from the neural tube. What effect would this have on the embryo

Why do you think these groups have a high risk of osteoporosis

This organ system removes waste products from the blood, regulates ph and water balance:

4. This type of body symmetry gives an animal a dorsal and ventral side, a left and right side, and an anterior and posterior end: A) Asymmetry B) Bilateral symmetry C) Radial symmetry D) Planar symmetry

Read the paragraph. People often cannot tell the difference between gerbils and hamsters. Both are small, furry, four-legged rodents. However, there are big differences between the two.

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.