Answer:
C. circulatory and respiratory
Explanation:
The respiratory system is a system that is directly related to breathing and circulatory system is related to blood flow, which contains oxygen.
Abiotic means not alive like rocks and soil. Abiotic Factor that affect the zebras in the grasslands is: water
Still trying to figure out the other abiotic factors.
Answer:
Embryo
Explanation:
Embryo is multicellular diploid body, under mitosis it forms zygote which is single cell. The union of sperm cell and egg cell. This divides rapidly in the days followed by fertilisation. After two week of division it forms zygote. Most of flowering plants in the tissue present in the seed. It is surrounded by the embryo and also provides nutrition in the form of starch, it also have oils and proteins in it.
Answer: D. at most 10
Explanation:
Using the energy pyramid, the ratio of grassland to primary consumer to secondary consumer is: 100:10:1 respectively.
Thus if the grassland supports 100 cattle (primary consumer), the numbers of humans (secondary consumer) the cattle can feed will be;
100/10 = 10.