2. In any ecosystem, the organisms

for resources, such as food,

water, and space.

compete

fight

kill

What two cell structures are found in many plant cells but not in animal cells?

What is the name of the spincter that controls how food enters the stomach?

What molecule makes the trunk of a tree sturdy? O A. Disaccharide O B. Glucose O C. Cellulose O D. Fructose

10. How should a thermometer be dried after washingrinsing, and sanitizing it? By wiping it with a paper towel By air drying it By wiping with a cloth towel By using a warm-air dryer

How does water leave and return to the ocean

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.