If starfish use pheromones to communicate with each other, then what uses pheromones to communicate with each other? Answer choices: - starfish - bees - bacteria - honeybees - density - humans - h2o - insects
starfish

(Question)
If stems help plants survive, then what do stems help plants do? Answer choices: - reproduce - survive - expire - stay warm - growth - move - support - hide
(Answer)
survive

Ques: If macroevolution occurs over eons, then macroevolution most likely occurs over what period of time? Answer choices: - Summer - length - eons - long - growth - Earth - years - scale
Ans: eons

(Q).
If the first step of respiration is when a gill converts from oxygen in water into oxygen in blood, then what is it when a gill converts from oxygen in water into oxygen in blood? Answer choices: - fertilization occurs - prolactin release - preventing heat transfer - first step of respiration - last step of digestion - flow of electrons - death - fish
(A).
first step of respiration

Ques:If cancer is a disease that occurs when mitosis is no longer regulated, then what disease is caused when mitosis is regulated? Answer choices: - tuburculosis - death - HIV - disease - illness - arthritis - Toxicity - cancer

Ans:cancer

Question: If timing is critical when a sperm and an egg fuse, then when is timing critical? Answer choices: - for gravity - Warm air moving into cold air - earth's orbit - when sperm and egg fuse - flow of electrons - earth's rotation - Earth revolving around the sun - movement of tectonic plates
Answer:
when sperm and egg fuse