Biologists refer to the fit of an organism to its environment as _______.
a. selection
b. adaptation
c. resistance
d. regulation
b. adaptation
Biologists refer to the fit of an organism to its environment as adaptation.
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Answer the following statements true (T) or false (F)
1. Several micronutrients such a manganese and molybdenum are important for helping enzymes function. 2, The term macronutrients refers to the size of minerals such as nitrogen which is a macronutrient 3. Sunlight can actually be so intense that photosynthesis can be stopped. 4. One reason magnesium is important to plants is that it is part of the chlorophyll molecule.
Beta amyloid plaques are most often seen in persons suffering from ____
a. Parkinson's disease b. Alzheimer's disease c. heart disease d. muscular dystrophy e. multiple sclerosis
Refer to Figure 5-1. Which of the following statements about the red blood cells in Figure A is true?
a. There has been no net water movement.
b. There has been a net flow of water out of the cell.
c. There has been a net flow of water into the cell.
d. Pinocytosis has occurred.
e. Plasmolysis has occurred.
Viruses cause most human cancers
Indicate whether the statement is true or false