Answer:
False
Explanation:
Cleavage in zygote forms a hollow ball of cells known as a blastula. The blastocoel refers to the fluid-filled cavity present in the blastula stage of early embryonic development.
Blastula undergoes gastrulation during which some of the cells exhibit inward movement and form a sac. The blastopore refers to the opening of this sac present in the gastrula stage of embryonic development.
Blastopore of gastrula develops into the mouth in protostomes and becomes anus in deuterostomes.
Hydrogen and Oxygen. Better known as H2O
Is the slow change in the gene pool of a species or population
Answer:
The structure of one or more proteins produced by the organism.
Explanation:
Genetic mutation can also can cancer 5 - 10% of the time.
Answer:
D) RNA or DNA
Explanation:
Most viruses either have RNA or DNA as their genetic material.
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