What is the difference between a predator and a parasite? a) A predator has a lengthy relationship with its prey
b) A parasite does not immediately kill its host.
c) A predator does not immediately kill its prey.
d) A parasite has a brief relationship with its host.

Asnail, elodea (aquatic plant), or both were added to the tubes and they were stoppered. tubes were placed under a grow light for 24 hours and the results recorded. the test tubes were then covered for 24 hours to produce a dark environment and the results recorded. which statement best explains the change in test tube d from the light setup to the dark setup.

What must be true for natural selection to heppen

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen