Choose all the answers that apply.

Food chains:

1, begin with producers

2, end with decomposers

3, show the flow of energy in an ecosystem

4. represent the ratio of producers to consumers

5. show predator-prey relationships

Why is the osmolarity of the medullary fluid in the kidney greater than the osmolarity of the blood plasma?

Which statement best describes the relationship between genes and proteins

The word "sartorius" is a Latin word that means pertaining to a tailor. The muscle contracts to rotate your thigh in order to sit down on the floor in a cross-legged position, which tailors had to do frequently many years ago.

A scientist is examining a single-celled organism with no nucleus that can be found in extreme environments. What kingdom does this organism belong to? A. Animalia B. Archaebacteria C. Eubacteria D. Protista

If a cell has a diploid number 2n=46, then how many chromosomes does it contain? how many pairs of chromosomes? how many chromosomes would you find in a haploid cell from this organism?

Is Sirius B brighter or dimmer than the sun?

The chart below shows examples from two groups of organisms, multicellular and one-celled. the tissues and organs in group a perform functions that are

A patient has very low levels of steroid hormones in his body, and his doctor thinks it is due to poor nutrition. How could the patient alter his diet to address this deficiency? Consume butter and oils. Restrict butter and oils.

True or false? a woman's behavior can often determine both whether or not she gets a chronic disease, as well as the chronic disease's course of infection.

What role do insulator sequences play in the regulation of eukaryotic transcription?