All the normal cells in the human body have the same number of chromosomes because all of their DNA is the same.
Ans.
A cognitive process is defined as a process, which includes knowledge gaining from our sense, thoughts, and experiences. It plays role in learning as individuals use cognitive processes to retain, learn, use, manipulate, or retrieve the information. It cannot be observable with any lab equipment.
Hence, the given statement is 'false' as blood pressure is not a cognitive process.
Answer;
The three statements that are true, include;
A diploblast has no mesoderm.
A pseudocoelom has the same functions as a true coelom.
In a coelomate, the tissue lining the inner side of the body cavity arises from the same germ layer as the tissue lining the outer side of the body cavity.
Explanation;
-Diploblastic animals are animals possessing two major tissue layers. These include the outer layer (the ectoderm) and the inner layer (the endoderm). Unlike the triploblastic animals , the diploblastic animals lack the third middle layer, the mesoderm.
- Coelom is the body cavity which exists between the mesoderm and endoderm while pseudo coelom is the body cavity which is present inside the mesoderm. Both the coeloms and pseudocoeloms are used as hydrostatics skeletons.
-Coelomate animals are animals that have a "true" body cavity or coelom and organs are in cased in peritoneal membrane.
Genetic variation is a measure of the genetic differences that exist within a population. The genetic variation of an entire species is often called genetic diversity. Genetic variations are the differences in DNA segments or genes between individuals and each variation of a gene is called an allele.For example, a population with many different alleles at a single chromosome locus has a high amount of genetic variation. Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population.