Parthenogenesis is a method of reproduction in which an egg develops without being fertilized by a sperm. The correct option is D.
An unfertilizedegg produces a child without the help of male gametes (sperm) in this type of asexualreproduction.
Since they only receive geneticmaterial from the female parent, parthenogenesis produces kids that are often genetically identical to or very similar to the parents.
Numerous creatures, including certain invertebrates, reptiles, and even some fish and birds, exhibit this mode of reproduction.
Without mating or geneticrecombination, offsprings can be produced due to parthenogenesis.
Thus, the correct option is D.
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b. Jaws and paired appendages
c. Four limbs
d. Endothermy
differently?
(1) Specific sections of DNA molecules in the
chromosomes are activated.
(2) All of the sections of DNA molecules in the
chromosomes are activated.
(3) Specific sections of the amino acid molecules
in the cytoplasm are activated.
(4) All of the amino acid molecules in the
cytoplasm are activated.
Which organs are vital in the cooperation between the two systems? HOW do they work together?
Think about the organelle that primarily uses Oxygen. What does it use oxygen for? How is this related to the digestive system? HINT: Look up cellular respiration. Where do the reactants for cellular respiration come from (the left side of the cellular respiration equation)?
Answer:
I can’t answer all of them, but I’ll answer the oxygen ones.
The mitochondria uses oxygen. In mitochondria, this process uses oxygen as a waste product. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell.
I hope this helps, even though I only answered 3 of your questions!!