An environmental group claims that a local chemical plant is polluting a nearby river. They are calling for a shutdown of the chemical plant. The evidence that would help you the most in evaluating the claim would be (A) a repeated study that shows chemicals produced by the plant are in water harming fish or other wild life. (The answer is A.)
Answer: It should be the letter C
Explanation:
Answer:
Body tube (Head): The body tube connects the eyepiece to the objective lenses. Arm: The arm connects the body tube to the base of the microscope. Coarse adjustment: Brings the specimen into general focus. Fine adjustment: Fine tunes the focus and increases the detail of the specimen
Explanation:
The differences between the two groups of the same species may be influenced by their genetic differences (such as allelic frequencies) and their environment
Individuals of the same species may differ in the following characteristics;
- Fertility – on the population may a higher frequency of recessive alleles that reduces their rate of reproduction
- Metabolism – this also may be determined by the type of allele
- Physical appearance – the influence of the environment in which the population habits on the genotypes of the population
- Behavior – this is mostly determined by the environment.
- Learning - this is also determined by the environment
