Answer:
The correct answer is - option C. alligators; their tails dig holes that hold water during times of drought, and this water is used as a source for drinking water by many species.
Explanation:
Beavers are keystone species as they help other species to get habitat and also help plants to grow by the holes or dams they make. Kudzu is a keystone species of an ornamental plant which lowers the soil erosion in their abundance.
Red cocaded woodpecker is a keystone species as they create pits in the pine trees that are helpful for other species to live.
Alligators also keystone species but not for digging holes and hold water but the influencing the prey and maintaining the animals in the ecosystem.
True because the mitochondria is the major organelle that provides energy for the body
The answer should be d, they are in domain eukarya so their cells are eukaryotic.
Answer:
B. Sulfur
Explanation:
Acid rain is <u>the result of sulfur dioxide emissions combined with nitroxen oxides.</u> This occurs when both compounds interact with water and oxygen (and other molecules) that are already present in the atmosphere.
This phenomenon is extremely dangerous for both humans, fauna, and flora, especially when it comes to aquatic organisms. <u>Some freshwater fish species, for instance, are not able to grow or develop due to the increased pH. In other cases, when the pH is even lower, organisms are not able to cope and eventually die.</u>
Therefore, a reduction in atmospheric concentrations of sulfure could reduce acid rain and return rain to its normal pH.
Answer:
Every gene has a code which is responsible for the formation of thousands of protein necessary for normal functioning of the cell.
Explanation:
In genes codes are present. In these codes have information about the formation of protein. Genes is just like a recipe book which contains information about making different types of protein which is necessary for the cell. So codes in the genes are work according to the instruction of the cell for making a specific protein. These codes contains characters which is sent by the genes to the ribosomes of the cell where protein are formed.
