If natural selection helps organisms survive, then what does natural selection do to organisms? Answer choices: - move to different locations - Damages them - protect them - Creates them - Softens them - competing for resources - Helps them survive - Destroy them
Helps them survive

(Question)
If some deuterostomes lack respiratory systems, then some what lack respiratory systems? Answer choices: - Smoking - respiratory systems - deuterostomes - cigarettes - alpacas - hawks - barnacles - pigs
(Answer)
deuterostomes

Ques: If amirror reflects sunlight, then what does a mirror reflect? Answer choices: - body water - watershred - biceps - motion - sunlight - coastlines - movement - sun's heat
Ans: sunlight

(Q).
If the production of heat occurs when many muscles contract a little bit all at once, then what occurs when many muscles contract a little bit all at once? Answer choices: - the production of cells - preventing heat transfer - To keep their body heat. - the production of heat - Generating heat - recovery time from fatigue - the production of cold - the production of skin
(A).
the production of heat

Ques:If zinc has a positive impact after a surgery, then zinc has a positive impact after what? Answer choices: - surgery - leukemia - Cooking - cycles - cancer - disease - exercise - the skin

Ans:surgery

If vibrations in air can be used for communication by animals, then vibrations in air can be used for what by animals? Answer choices: - activation energy - communication - Something to move - sleeping - sustenance - Heart rate - food and shelter - tasting
communication