14 Jun Consider an ecosystem that hosts a population of plants
Question
Question 27
Consider an ecosystem that hosts a population of plants, herbivores and a carnivorous predator. Consider one of the plant species that is consumed by the herbivores. Which major change to the ecosystem will probably not change this plant population. (Choose the best answer)
1. Big decrease in Precipitation
2. Big decrease in the predator population.
3. Big increase in the salinity of the water supply.
4. Big increase in the herbivore population.
5. All of the above will impact the plant population.
3.78 points
Question 28
Natural selection due to predation and female mate choice effect the evolution of male guppy coloration
1. causing male populations to become more colorful over time.
2. causing male populations to become more drab over time.
3. in opposing ways.
4. not at all.
3.78 points
Question 29
Where does photosynthesis occur in a pine tree:
1. In the sporophylls of a cone.
2. In the needles of a fascicle.
3. In the xylem of the stem.
4. In the seed.
5. In the mesospore.
3.78 points
Question 30
In which part of the circulatory system do body tissues exchange oxygen and carbon dioxide with the blood?
1. the heart
2. the arteries
3. the veins
4. the lungs
5. the capillaries
3.78 points
Question 31
Wheat, corn, and rice are important food crops. They are also examples of
1. Gymnosperms
2. Monocots
3. Dicots
4. Heterotrophs
5. None of the above
3.78 points
Question 32
Chromosomes with dominant alleles on them always travel farther in electrophoresis.
True
False
3.78 points
Question 33
Regarding flower anatomy, which is the correct statement:
1. The ovary becomes the fruit.
2. The stigma becomes the seed.
3. The ovule produces the petals.
4. The carpel produces sperm cells.
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