A leech attaches to an animal and feeds off the animal's blood. What happens to the animal the leech attaches to in this scenario?

It loses nutrients to the leech.
It gains nutrients from the leech.
It will be killed and eaten by the leech.
It will kill and eat the leech.

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Select the correct answer from each drop-down menu proteins are