Answer:
They occur in thousands of years or within billions of years
They affect populations and species more slowly than short-term changes
They can affect the DNA of living things over time.
Explanation:
Environmental changes occur when natural phenomenon and activities if humans brings about a disturbance of the natural environment thereby causing a change or impact on the ecosystem of the environment. Environmental changes could be short-term or long-term. Short-term changes occur within minutes, days, weeks or more, and usually has a drastic impact on a population. Short-term change often do not allow organism in an environment to adapt well, and could lead to migrration or extinction of such species of organisms.
Long-term environmental change, on the other hand takes thousands or more years to occur. They occur gradually that their impact on organisms is barely noticeable. It gives enough time for the species of organisms in the environment to adapt. It could bring about a change in the DNA of organisms over time. An example of long-term environmental change is global warming resulting from climate change.
Therefore, the statements that describe long-term environmental changes are:
They occur in thousands of years or within billions of years
They affect populations and species more slowly than short-term changes
They can affect the DNA of living things over time.
Well to use to make more specialized tissue that has been lost from disease or injury.
Answer:
bicarbonate-carbaminohemoglobin-dissolved in plasma
Explanation:
Transport of CO2 in the blood occurs in three main forms. Most of the CO2 is carried in the blood as bicarbonate. It accounts for transport of about 70% CO2. In RBCs, CO2 reacts with water in the presence of the enzyme carbonic anhydrase to form carbonic acid, which dissociates into H+ and HCO3-. Bicarbonate formation also occurs in blood plasma.
About 23% of CO2 is carried in the form of carbamino-compounds. Binding of CO2 to hemoglobin forms carbaminohemoglobin. The smallest percentage of CO2 (about 7%) is dissolved in blood plasma and is diffused into the alveolar air as it reaches the lungs.
<span> object or a device that gives off an external </span>magnetic<span> field</span>
Answer:
The correct answer is - c. Larger claws would help the crab crack open the shells of the mussels so the crab can eat them.
Explanation:
The graph (attached) states that the two variables size of claws of the crabs depends on the thickness of the shell of mussels. With the increase in the thickness of the shell of the mussels the size of the claws of crabs also increases and becomes larger.
The most likely explanation of this change would be adapting according to the change in the shell of the crab as they require to crack their shell to eat them as mussels are the primary food source of these crabs.
