The answer to the question is B
Answer:
In the course of evolution mammals are the animals which are evolved recently as compared to other groups such as fish, amphibians, or reptiles.
In addition, fur or hairs on body, mammary glands, middle ear bone, warm-blood, et cetera are the characteristics of mammals.
These characteristics were evolved during the course of evolution; they were not present in ancestral organisms.
However, tail, gill pouches, et cetera are characteristics of our ancestral groups. Thus, characters can be sometimes observed in mammals.
But mammals characteristics can not be observed in organisms which were evolved before mammals such as fishes, amphibians, reptiles, et cetera.
Lloyd came up with the idea of Tragedy of the Commons
Water,Nitrogen, phosphorus and carbon are items that are cycled through the biosphere in biogeochemical cycles.
Explanation:
- Biogeochemical cycles maintain the balance of elements and compound in nature.
- These help the chemical substances to circulate through different spheres of the earth.
- They are, water cycle, sulphur cycle Nitrogen cycle, Carbon cycle ,Phosphorus cycle etc.
- If the biogeochemical cycles were not present then elements such as nitrogen , phosphorus carbon should have got completely used up instesad of getting replenished. Thus, making several metabolism stagnant.
Answer:
Competition happens because resources are limited. Explanation: When resources are limited in an ecosystem, the species compete with each other to come out as best among all. ... By fittest he means the ones who are capable to compete and come out as the strongest among all to survive in a given ecosystem.
Explanation:
Can I have brainlyiest?
