The energy input into an ecosystem can come from

a. sunlight

b. chemical compounds

C. soil

d. A and B

1. What invention was an early step in the discovery of cells? a. Who was the first scientist to identify cells and name them?

The chemical digestion of food is dependent on a whole range of hydrolase enzymes produced mostly by the cells lining the gut as well as other associated organs such as the pancreas, salivary glands, stomach, liver and small intestine.

Why should people not drink and drive? Use the word depressant in your answer.

The first part of most medical notes that includes such information as medical history, duration and quality of the problem, and any exacerbating or relieving factors for that problem is known as the:A. subjective. B. objective. C. assessment. D.

Which type of traits vary quantitatively due to the interaction of multiple genes? polygenic codominant incomplete dominant dominant

Paleontologists can definitively conclude whether dinosaurs were endotherms. a. True b. False

What is thethe protein-assembly factories of the cell, are present in prokaryotic cells, animal cells, and plant cells.

Cells harvest the energy in organic compounds to make ATP through a process called

In the 1950s, when Watson and Crick were working on their model of DNA, which concepts were well accepted by the scientific community? Select all that apply. (a) - Genes are made of DNA. (b) - Chromosomes are made up of protein and nucleic acid.

Read the following statements that describe how information flows in the nervous system. What is the correct order in which they occur? 1) Response is carried to glands or muscles. 2) Information is gathered.