You won’t be able to produce another item
Answer: The answer is Echinoderms
Explanation: The skin of most species is covered by spines, “warts,” or other projections.
Answer:
There are many methods to directly measure biomass of herbaceous plants, but, it is difficult to estimate biomass of shrubs and trees. Peak standing crop may be difficult to measure in ecosystems with a large variety of species because each species will generally reach it's peak phytomass at a different time of year.
Explanation:
D, how hard the students try on the SAT seems the most reasonable.
Answer:
Plant Cell: Cell wall, chloroplast, large vaculoe.
Explanation:
Animal cells don't have any of those.
