<span>This abnormality in chromosome structure is caused by breaking off a fragment from one chromosomes and it moving forward to attach with another...</span>
Sponges have specialized cells and an endoskeleton, but they lack tissues and body symmetry. ... They include jellyfish and corals, both of which have radial symmetry. All cnidarians have nematocysts, and many are bioluminescent. They may exist in medusa and/or polyp form.
active transport in small intestines and passive transport in blood cells
Answer:
I think True
Explanation:
You can refer to it for more information:
The coastal ocean zone and estuaries are alike in that both are important as breeding and nesting areas for birds. The depth of the water in an aquatic ecosystem determines the amount of sunlight that living things receive there. ... The water in freshwater wetlands is always brackish
Answer:
Although an individual gene may code for a specific physical trait, that gene can exist in different forms, or alleles. ... In other cases, each parent provides a different allele of a given gene, and the offspring is referred to as heterozygous ("hetero" meaning "different") for that allele.