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Answer:
A. The percentage will increase
Explanation:
If the species is becoming resistant to the weed killer, natural selection will cause future generations to become resistant as well, therefore the percentage of resistant dollar weed will increase. Also I took the test lol.
Answer:
1. Green beetles and red beetles exist in the environment.
2. Birds that eat the beetles move into the environment.
3. Red beetles are eaten by birds, but green beetles aren’t eaten.
4. Green beetles pass on their color trait to future offspring.
5. The entire population of beetles eventually becomes green in color.
Explanation:
According to the theory of natural selection, only those species survives which fits closely with their environment. According to the conditions given, there are two genetic variations of the same species based on the color, i.e. green and red. Initially, both red and green are living together in a grassland (green in color). Then, birds enter the same environment because they have food there (beetles). Now, green beetles will take a competitive advantage because of the color and avoid getting eaten by the birds. However, red beetles would be prominent and eaten fast. The green beetles will pass on their genetic variation causing the color to be green in their future offspring and a time will come when there will be on green beetles in the area.
The basic unit of macro-evolution is SPECIE.
Macro-evolution refers to the theory of evolution in which changes that occur at or above the level of specie recognizes the need to better understand the patterns and processes which operate at the specie and higher levels within a hierarchical framework. Macro evolution is an evolutionary phenomenon, which can include any of the following: origination of new designs, large scale events such as extinction, broad trend and major transitions.
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Answer:
Explanation:
Avoiding dehydration. Plants on land would have developed roots to acquire water from the soil. They also developed stomata ( by difinition: Stomata permit the absorption of carbon dioxide necessary for photosynthesis from the air, as well as the removal of excess oxygen) on the underside of their leaves to reduce water loss. Adaptation to arid environments involved waxy coats and fleshy leaves for water storage.*biology
