Answer: Species can change over time in response to changes in environmental conditions through adaptation by natural selection acting over generations. ... Evolution results primarily from genetic variation of individuals in a species, competition for resources, and proliferation of organisms better able to survive and reproduce.
Explanation:
Osmosis refers to the transfer of water across a membrane and pressure of water inside plant cells is called turgor pressure. Osmosis causes cells to lose or gain water, which means it can increase or decrease the turgor pressure inside the cells. When the concentration of water available outside the cell is higher than inside, plant cell will gain water. When it's the other way around, the plant cells lose water.
Assuming the worst case scenario, which is that the patient does not have the Rhesus antigen, the patient can only accept blood from the blood groups of A-, B-, O-, AB-
Answer: Some stunts and activities can be dangerous to be performed and must be done with utmost precautions.
Explanation:
The activities such as sky diving, stunt performing and race car driving can be risky for mental and physical health. These activities can cause mental or physical trauma can even lead to death but some people still engage in such activities because they want to do some daring and they want to overcome their fear and want to set up a benchmark in the society. Such activities are potentially responsible for boosting courage, confidence, and strength to overcome fear.
Answer:
barter trade
Explanation:
because you exchange goods