Answer:
1. CLIMATE CHANGES............easing temperatures have altered migration patterns of humpback whales.
2. NATURAL DISASTERS...........the eruption of mount saint Helens destroyed some populations of conifers.
3. HUMAN EXPLOITATION..........African forest elephants have been hunted to near extinction levels to obtain ivory.
4. DISEASES.........An infection with a fungus reduced population of north American elm trees.........
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Explanation:
Answer:
mutation,recobmadation, and immitigation
Answer:D) Decomposers break down the remains of producers and consumers
Explanation:A biotic pool is a tidal pool with diverse and changing habitats of living factors. We can say they are important mini ecosystems within the larger ecosystem.
The abiotic pool involves the elemental phases of nature,the non living parts of the ecosystem. Decomposition (break down) of elements/organic compounds is the characteristic bridge between both pools into what is known as nutrients.
This tell us that the ultimate dead part of producers and consumers are used up in this process.
Some of the nutrients released in the biogeochemical cyclic process includes sulfur and phosphorus and they move through the ecosystem.
Note: The biogeochemical cycle is a pathway of movement for chemical elements.
The chemical elements in nature moves through both biotic and abiotic components via abiotic and biotic interaction in the ecosystem
Few abiotic factors includes rocks, air, water, and chemicals while biotic factors includes living organisms activities.
All living and non living elements of nature play vital roles in the great biogeochemical cycle.
