Explanation:
group b. is called the control group. it is important to compare the 2 groups for any similarities. this determines if the medications in group a are working like intended. to keep track of side effects w/group a..
I believe the answer is family
Correct answer choice is:
D) Elements continuously cycle between the physical environment and living organisms.
Explanation:
Any nonliving matter that living things want is termed a nutrient. Carbon and nitrogen are parts of nutrients. Unlike energy, the object is converted into ecosystems. Decomposers deliver nutrients when they cut down dead organisms. When one organism eats a different organism, it takes all of its nutrients. Nutrients can also cycle out of an ecosystem. Falling leaves may be moved out of an ecosystem by a water. Decomposers cut down dead organisms into nutrients and carbon dioxide, which they respire into the air.
Answer:
The amount of biomass in terrestrial ecosystem is small compared to that of the aquatic ecosystem
Explanation:
Terrestrial biomass generally decreases markedly at each higher trophic level. Terrestrial producers are grasses, trees or shrubs. They have a much higher biomass than the animals that consume them. The marine biomass increases at each higher trophic level.
The biomass of consumers is larger than the biomass of primary producers. The primary producers in the ocean are tiny phytoplankton that grow and reproduce rapidly, so a small mass can have a fast rate of primary producers. In terrestrial ecosystem, primary producers grow and reproduce slowly, so a much larger mass is needed to achieve the same rate of primary production.