Organisms that cannot make their own food and must obtain energy from the foods they eat are called

In a marine food chain, small fish eat plankton, big fish eat small fish, and sharks eat big fish. Which organism has the smallest population?

What is the definition of fossils?

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 The water table is deeper than the well. All the groundwater is flowing out of a spring.

Explain how the amount of DNA does not relate to how complex an organism is

Which could be a pathway of food through an ecosystem?

What are high air pressure systems usually associated with?

How long does it take iriscode to generate a match?

What soil properties are influenced by microorganism activity?

After an accident, steve's heart is not beating and he has stopped breathing. steve is

Select the phrases that accurately describe properties of the most common form of the DNA double helix. a. The phosphodiester bonds between nucleotide residues run in opposite directions in the two strands. b.