Answer:
Ciliary muscle
Explanation:
Muscle that changes the thickness of the eye lens through contractions and relaxations
Answer
Its marine animal.
Explanation
Cephalochorates are small marine animal with unique features like segmented body and have notochord which are from head to tail and persist through out the life of this animal .They are present in modern oceans in form of lencelets which is also called amphioxus. They have hollow dorsal nerve chord and gill slits. Unlike the other vertebrates the nerve chord is never replaced by vertebrae
Answer:
Nutrient limitation occurs when meaningful additions of an essential element in additions of an essential element in biologically available forms cause an increase in the rate of a biological process and/or in the size of an important ecosystem compartment
Answer:
The abiotic factors in an ecosystem include all the nonliving elements of the ecosystem. Air, soil or substrate, water, light, salinity and temperature all impact the living elements of an ecosystem. I WISH I HELP
Viruses are something you cant get rid of