The cell membrane only lets some molecules in and out because it is living. semi-permeable. flexible. non-permeable.

Give function of trychocyst?

Some scientists study the way fossils and living organisms are distributed, or spread out, on the Earth. What is this area of study called?

A controlled experiment to test the effects of two variables

Silkworms are raised commercially for the silk cocoons that they produce. In ten different trials, Jami's class raised silkworms under different temperatures to see what conditions are best for silkworm caterpillars in their first three instars or

What phase occurs directly after s phase

You count 73 long-winged flies and 27 short-winged flies from a cross between two heterozygous parents. How many have short wings

if The worlds supply of drinkable fresh water we're running low what alternative source of water can you Think of To use

Muscular movements that mix food in the lumen of the small intestine are referred to as

how would the organisms in the food chain web be affected if all the lights in the Eagles in the world to become disease and died which organisms would be a directly affected

Can plants conuct electricity