Answer:
a, b, d, and f.
Explanation:
<em>The periwinkle snails feed on plants. Consequently, they are said to herbivorous and heterotrophic since they cannot manufacture their own foods. They are also referred to as primary consumers because they directly feed on plants without any other nutritional option. They, therefore, occupy the second trophic level on a typical food web. </em>
The correct options are a, b, d, and f.
The SI system or metric system is the most commonly used system of measurement around and hence makes it more applicable around the world than the english SOM
B. vertebrates and invertebrates.
Mitosis:Two diploid cells with identical genetic information
MeiosisFour haploid cells with different genetic information.