Answer:
D) Nitrogen..............
Answer:
Ecology is the study of environment and biology is study of plant and animals.The interrelationship between an organism and environment
Explanation:
Ecology is the study of organisms, its distribution, abundance,interrelationship with another organism and the interaction of organisms with their environment in which they adapt to survive.
Sunlight is the main source of energy for living beings on earth. Movement of energy flow and nutrient cycle plays a significant role in living beings.
In ecology there are different levels of organization such as species, population community,ecosystem,biome and biosphere.
There are different cycles which an organism required to survive, carbon cycle, nitrogen cycle, oxygen cycle, phosphorous cycle, and of course the most basic thing to survive is the water cycle. All these cycles coming under one term called the biogeochemical cycle.
The ecological pyramids such as pyramids of an ecosystem, pyramids of number pyramids of energy flow and pyramids of biomass based on these pyramids living things survive.
One group of reptiles, characterized by the fossil Archaeopteryx, led to the evolution of birds. The correct answer is birds
It’s C ) Mitochondria-makes energy
