The epidermis is the outermost layer of skin and is app. .005-1.5mm thick. it is made up of several different types of cells with keratinocutes being the most abundant.
The dermis is the second layer of skin and is app. .3-3.0mm thick. And basically consists of connective tissue.
Answer:
The plasma membranebeing the most necessary component of a cell because it encases and protects the complex chemistry of life within the cell. A selectively permeable membrane allows only certain substances to enter the cell. This is very important to keep necessary nutrients in and keeping unwanted substances out too
Answer:
Following are the responses to the given question:
Explanation:
Increased gases in the water may hasten photosynthesis, enabling crops to develop and grow more quickly. Some is absorbed and more oxygen is expelled as the frequency of rate of photosynthesis.
The higher plants grown means greater water filtration. Natural selection will run its course if the water is less polluted, as well as the fish may not need to pass mostly on full-body plate characteristics to their descendants.
Answer:
Bones. They are vertabrates, which means they have a backbone
Explanation:
Fish, reptiles, amphibians, birds and mammals all have bones