Answer:
i think its the first one sorry if im wrong but that one makes the most sense
Explanation:
Answer:
Grasslands arose during the period of cooling and drying of the global climate, which occurred during the Cenozoic Era (65.5 million years ago till present).
Grasslands are said to be in between a forest and a desert when it comes to rainfall ( they do not receive enough rainfall to grow trees like a forest but they contain lots of grass so they receive more rain than a desert)
Explanation:
They produce food with energy from the sun
Answer:
Sister chromatids. (Ans. B)
Explanation:
Sister chromatids are defined as the identical chromatids formed by the DNA replication of the chromosome, both copies of chromatids are joint together by a centromere. A pair of chromatids are known as dyad.
A set of sister chromatids formed during the S phase or synthesis phase of interphase, while all the chromosomes present in a cell is replicated. During the process of mitosis, or second division of meiosis the two sister chromatids are gets separated from each other into two different daughter cells, and each cell receives one copy of the chromosomes.
Answer:
Male gametes / microspores are produced in pollen cones and develop into pollen grains. Some gymnosperm species have male and female cones on the same tree, while others have separate male or female cone producing trees. ... Fertilization in gymnosperms occurs when pollen grains contact the female ovule and germinate. I hope dis helps :3
