1. A or D
2. D Urbanization
3. <span>D groundwater pollution
4. </span><span>C contamination of beaches and sea vessels with pollutants.</span>
Answer:
Explanation:
If we produced by mitosis then everyone would be the same. The would be no genetic differentiation. Because in meiosis, germ cells cross over and create zygotes with unique dna.
The correct answer is D. Both A and C
Explanation:
In biology, a phenotype refers to a trait or characteristic that is observable in an organism, including physical characteristics, physiological characteristics, and behavioral characteristics. The phenotype is the result of the expression of genes or environmental factors. Considering this, both "a certain duck has a blue beak" and "most cheetahs live solitary lives" are phenotypes because they are traits that can be observed in terms of morphology or physical characteristics in the case of the duck or in terms of behavior in the case of the cheetah. On the other hand, a mutation is not necessarily a phenotype except if it is expressed.
Carbohydrates are made from the process of photosynthesis by green plants by use on energy from sunlight. They have various functions in the ecosystem by plants an animals. The two main function of carbohydrates are; carbohydrates as a source of energy for cellular activities. They are reserves and stored in form of starch in plants and inform of glycogen in animals. They also act as structural components in both plants and animals such as cellulose which is a components of plant cells.
Answer:
Analogous or convergent structure.
Explanation:
Analogous structures can be defined as structures that have similar purposes but look completely different from each other. in other words it means that they serve the same functions in different species, but they are independently evolved. Examples of analogous structures are
- wings on butterfly, bats and birds
- Fins in penguins and fish
