Which condition is a biotic factor of an aquarium ecosystem?

amount of oxygen in the water

gravel on the bottom of the aquarium

algae growing on the glass

temperature of the water

Which statement below explains how automobiles can contribute to air pollution?

How animal get nitrogen from plants

In general, in what direction does a diffusing substance move? Group of answer choices down its concentration gradient in the opposite direction than it would normally move up its concentration gradient it depends on the substance being diffused

Which organ of the body stores the waste materials produced by the kidneys?

1. Clean & sanitize the prep sink or the 3-comparment sink 2. Wash and sanitize hands to begin food preparation Drag and drop to place the steps of produce preparation in the correct order. 3. Remove smallwares & dishes from the preparation area 4.

Define karyotype ...

Glycolysis occurs in what part of the cell

What occurs to create a growth spurt

Which process describes nitrogen fixation?

As the fruit develops, why do the petals, stamen, and sepals fall off?