Human curiosity has led to improvements in technology, which has increased scientists' ability to

A. form hypotheses

b. make observations

c. think critically

d. ask questions

A snake species a grass species and a mouse species are part of a food web in an ecosystem rank these three species in their likely order in a biomass pyramid from lowest to highest

When did stem cell research become known? Who discovered stem cells? What experiments or studies have been conducted so far?

What do you predict would happen if you placed the smaller ball on the bottom, and the large ball on top? Be sure to support your claim with evidence.

Vitamin C is a water-soluble vitamin and can sometimes be found in the urine. What does this suggest about how the body deals with vitamin C? A. Vitamin C continues to circulate in the blood so it is available as cells need it. B.

Which is an activity that increases the genetic variation within a population of earthworms

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.