Answer:
D. can be your answer
Explanation:
because she is testing and finding differnt results which can help her find the algae levels in a local stream.
This is false the most classified animal groups are mammals and birds. The third most classified animal group is the fish.
I hope this helps! If your confused just let me know!
They make up an ecosystem that resides in an environment. For example, a rainforest is an environment that contains ecosystem like the trees, plants, animals and insects, the temperature, humidity and kind of soil.
I think it is organic compounds
Answer:
Genetic variation
Explanation:
It could lead to natural selection, but natural selection isn't the cause. Many years down the road you could see a particular variation having a higher population, which is the result of natural selection/survival of the fittest via better camouflaging from predators.
