Answer:
D or A I think it might be D but maybe A
Answer:
C. Some marsupial mole rats had a natural immunity to the virus.
Explanation:
According to Darwin's evolutionary theory, over time some of marsupial moles may have acquired natural immunity which evolves as an adaptive trait in the population. Since these organisms have more chance to survive and reproduce (survival of the fittest), they will likely transmit the natural immunity to the next generation
.
Answer:
The process shown in the model requires energy from the cell.
Explanation:
Active transport refers to the movement of materials across the cell membrane against concentration gradient.
The cell membrane remains intact. However, energy is required from within the cell to move materials into the cell against concentration gradient, hence the answer.
Answer:
the answer is a. both as a primary and secondary consumer
Explanation:
primary consumers eat producers.
secondary consumers eat primary consumers.
in this scenario, the bird fits into both categories, because it feeds on berries (producers) and plant-eating insects (primary consumers)
