Answer:
Adenine and guanine are purines, while thymine, cytosine and uracil are pyrimidines.
Hope this helps! Sorry no one answered your question sooner :(
Answer:
Natural selection leads to adaptation, that is, to a population dominated by organisms that are anatomically, behaviorally, and physiologically well suited to survive and reproduce in a specific environment. ... Species become extinct because they can no longer survive and reproduce in their altered environment.
Explanation:
Answer:
True
Explanation:
Energy sees a 90% decrease as it moves up trophic levels because energy is lost as metabolic heat during the transfer of energy.
Answer: An energy pyramid may be a model that shows the flow of energy from one trophic, or feeding, level to the following in an ecosystem. ... Energy pyramids are the same as biomass pyramids, another style of trophic pyramid that models the number of biomass at each trophic level in an ecosystem.
Explanation: pplz mark brainest
Answer:
true
Explanation:
because i watched a video
