The main hormonal and physiological events of each of the ovarian cycle. and Distinguish between chromosomal sex and reproductive sex.

sex chromosomes have X and Y chromosomes whereas sexual reproduction is a type of reproduction.

Explanation:

Two sex chromosomes are present in humans and most other mammals i.e. the X and the Y chromosomes. Females have two X chromosomes in their egg cells, whereas males have both X and a Y chromosomes in their sperm cells while on the other hand, reproductive sex means sexual reproduction in which sperm of male fuse with eggs of female organism forming zygote that turns into a fertile offspring.

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.

d. cellulose and starch