How can some pyramids of numbers be inverted such as aspen tree pyramid in the boreal forest?

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Explain the significance of the increased cell specialization of the volvocine line

Do plant cells perform cellular respiration?