Elephants, who are important grazers, are instrumental in transforming woodlands into grasslands. This has a tremendous impact on other species that depend on the grass for their survival. The significance of the elephant in this example is B. keystone species.
Answer:
Venous blood
Explanation:
Arterial blood is carrying oxygen to tissues.....after delivering the oxygen it is venous blood and has less oxygen.
Answer:
A.
Explanation:
It shows a clear view of what a group of cells of a plant would be like.
Answer:
the Y chromosome is smaller than the X chromosome.
Explanation:
The male has an X and Y sex chromosome which is an exception to the general rule that homologous chromosomes are identical as the Y chromosome is smaller thus enabling it to swim faster than the X chromosome. The Y chromosome also has a longer lifespan compared to the X chromosome. The male genotypes is XY. Males are heterogametic as they produce two types of gametes, one carrying the X and the other carrying a Y chromosome.
Decomposer's role is to break down dead food. They basically eat it, then the dead food or the dead animal gets ground into the ground, and makes the soil good. Like worms, or fungi, mushrooms, etc. Rotten fruit is not really wasted because 1) the decomposers eat it, and 2) it makes the soil good