Answer:
Muscles produce keratin so that hair can grow stronger. Sweat glands break down the food that is consumed. Muscles contract rapidly to produce heat on a cold day.
Explanation:
Answer:
the correct option is E.
Explanation:
in this case the shrew occupies the level of both secondary and tertiary consumers.
as the shrew eats spider( a secondary consumer) so it is a tertiary consumer but it also eats snails( a primary consumer) so it is therefore a secondary consumer also.
so the shrew occupies both secondary and tertiary consumer trophic level.
Answer:
A homozygous dominant genotype is one in which both alleles are dominant.
Explanation:
For example, in pea plants, height is governed by a single gene with two alleles, in which the tall allele (T) is dominant and the short allele (t) is recessive.
They are capable of slight rotation and side to side movement.
Fermentation and anaerobic respiration