Fertilizer contains different types of phosphates and nitrates. When they are used to fertilize large fields, it can be beneficial in the matter of food production. But when it rains those nitrates, phosphates, etc can run off into a river,lake,stream and cause eutrophication .
Eutrophication causes an abundance of plant growth such as algae blooms. Algae blooms can suffocate fish and can have an impact on human health.
Explanation:
Cephalopods are organisms tha belong to the class Cephalopoda, which is composed by squids, octopus and nautilus.
The options we have are squids, jellyfish and cuttlefish. The two last ones do not belong to the Cephalopoda class, and also do not have the characteristics to be considered one.
Answer:
A.
Hope it helped,
BioTeacher101
I think it will be RNA for both questions
Answer: kinetochore
Spindle
fibers are aggregates of micro-tubules that move chromosomes during cell division. They attach to the kinetochore, a structure on chromatids, that when it's pulled separated sister chromatids. The kinetochore is a specialized protein complex found in the centromere of the chromosome.