According to the Darwinian concept of evolution, a giraffe has a long neck because:
1. | it was always like that since the beginning |
2. | during evolution the number of cervical vertebrae got increased |
3. | its ancestors stretched their necks to get food |
4. | ancestral giraffes with longer necks got more food and left more surviving offspring |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
A population geneticist finds that a new allele in a population has suddenly increased in frequency. Most likely this allele is:
1. mutating rapidly
2. flowing with emigrants
3. strongly selected for
4. a product of assortative mating
The appearance of antibiotic-resistant bacteria is an example of:
1. adaptive radiation
2. transduction
3. pre-existing variation in the population
4. divergent evolution
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following is not a proposition of Lamarckism?
1. | Living organisms or their component parts tend continually to increase in size |
2. | Production of new organs results from a new need due to a change in the environment |
3. | If an organ is used constantly, it tends to get developed, whereas disuse results in degeneration |
4. | Modifications produced by the above mechanisms during the lifetime of an individual will not be inherited |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.