Which of the following do all acoelomates have in common?

A. symmetry

B. cephalization

C. they are astomes

D. muscle and nerve tissue

E. extensively branched digestive cavity

Biennials produce only a small leaf crown in the first year of growth. True False

Label the steps of electron transport leading to oxidative phosphorylation where atp is synthesized from adp using the energy stored by the electron-transport chain

Which area in the body is not affected by smoking cigarettes?

What is the ratio of C, H, and O in monosaccharides?

DNA may coil and condense into visible structures called

Excess hydrogen ion is eliminated from the body largely by

Warming your hands by a fire is an example if which heat transfer? Give more examples of this type.

What is the name for a complex organized group of organisms?

Which of the following is NOT an argument used against genetically modified food? (A) It is new technology that unnaturally breaks genetic barriers between species (B) It might cause allergic reactions. (C) Humans should not be designers of life.

In multicellular organisms, cells are arranged into groups that work together to perform a common function. What are these groups called? bones joints systems tissues