What is the main job of DNA?

Company develops a new weed-killing chemical. When the chemical is first used, it kills nearly all the weeds. Which statement explains why after 10 years, nearly all the weeds can tolerate the chemical and survive? A.

When Lucy was only a fertilized egg, what did the cell have to go through to get to the trillions of cells she is made up of today?

Which of the following are social implications of an environmental policy? Check all that apply. A•loss of jobs B•poorer air quality C•less erosion D•cleaner water waste E•higher taxes F•elimination of tourist activities

A nurse in a well-child clinic is collecting data on children for scoliosis screening. which child is at greatest risk for scoliosis?

How many units of energy does a herbivore have

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.