20.4 21.3 are the correct answers
Answer:
A healthy ecosystem consists of native plant and animal populations interacting in balance with each other and nonliving things (for example, water and rocks). ... Decomposers break down dead plants and animals, returning vital nutrients to the soil. Plants take up these nutrients, along with water, through their roots.
Explanation:
Answer:
a) The mucosa is composed of thick, nonkeratinized stratified squamous epithelium.
d) The two layers of muscle in the superior one-third of the muscularis are skeletal
(B and E are repetition of A and D respecticely)
Answer: Mitochondria are present in the cells of all types of aerobic organisms like plants and animals, whereas Chloroplast is present in green plants and some algae, protists like Euglena.
Explanation:
<h2>Answer and Explanation </h2>
When two daughter cell has the same number of chromosomes in the DNA is called Mitosis. The mitosis is the name of the process by which cell membrane divides to form two new daughter cells by dividing the cytoplasm of the cell both daughter cells have their own cell wall and nuclei after division. The process in which the cytoplasm divide is called cytokinesis. Mitosis is a process in which chromosomes are segregated to form a daughter nuclei.
