The cell membrane is semi-permeable, kind of like a filter to let some molecules in and keep larger molecules out
Answer:
"Energy flows in one direction, matter recycles."
Explanation:
Matter "returns" to the environment by the deutucators. Energy comes from the sun and is transmitted to higher trophic structures.
Answer: the canine parvovirus infection is digestive
giardiasis is also digestive
tracheobronchitis is respitory
feline viral rhinotracheitis respitory
coccidios im pretty sure that is digestive
Explanation:
The Bear population would increase due the the raise in the salmon population.
CUG would be the correct answer