The indispensable chemical element is carbon.
Fertilization --> Embryo --> Fetus
Thru 8 weeks
Answer & explanation:
Non-native species may be animals, plants or microorganisms introduced into an ecosystem of which they are not originally part, but where they adapt and come to dominate, harming natural processes and native organisms.
When a new species is introduced into an environment other than its own, it may compete with others, prey heavily on some species, over-breed and even cause disease.
Therefore, it can be concluded that this action may cause the destruction of some species, directly affecting the balance of that ecosystem.
Answer:
Ecosystem
Explanation:
An ecosystem is a level of organization referring to the group of living organisms including plants, animals, microbes interacting with one another, and also with the non-living parts of their environment e.g temperature, water.
Based on this explanation, a level of organization that encompasses all th living and non living factors interacting in the pond environment represent an ECOSYSTEM.