Answer:
c. potential Hydrogen strips and written observations of stream water
Answer:
Double fertilization. (Ans. 5)
Explanation:
Double fertilization is a complex fertilization process occurs only in flowering plants known as angiosperm. In this process two male gametes or sperm cells fertilization occurs, first one is fertilized with the egg and form the zygote and second one is fuses with the 2 polar nuclei which cause the formation of endosperm.
In double fertilization, after the process of fertilization, the tissue of ovary forming the fruit and fertilized ovule of an ovary forming the seed.
Answer: her grandpa could not have been the source of either of her XX chromosomes.
Explanation: A male is the sole provider of the Y chromosome whereas females only have two XX's and no Y's
Answer:
The correct answer will be option-B
Explanation:
Meissner corpuscles are one of four types of mechanoreceptors which response to mechanical pressure.
The corpuscles are very adaptive and sensitive receptors which convert the stimuli to action potential and send them to the Central nervous system.
The corpuscles are found in the areas which are exposed to touch or are sensitive to touch like in the fingers of the hand and the lips.
Since the deaf and blind lady distinguishes people with a light touch, therefore, these Meissner corpuscles are involved in helping identify the individuals.
Thus, Option-B is the correct answer.
<span>Mammals first appeared during the Cenozoic Era. The statement is true.</span>
