When a population of any species decreases, it leads to a decrease in populations of species that feed on them, as there is less food available and they may die of starvation or competing against each other for food. Crabs are eaten by big marine animals, such as otters and terrapins. Algae and snails does not feed on crabs. Therefore, the correct answer are the options B. Otter and D. Terrapin.
A. Consumers depend on producers for food.
Various ways traits are inherited from parents to offspring is known as pattern of inheritance.
Explanation:
- Traits follow a particular trend or way by which they pass on to offspring from the parents.
- These modes or ways are termed as Pattern of inheritance.
- There are basically five patterns of inheritance :
a) Autosomal dominant.
b) Autosomal recessive.
c) X-linked dominant.
d) X-linked recessive.
e) Mitochondrial innheritance.
- Each Inheritance pattern has a peculiar character that distinguishes it from the rest of the other patterns.
