Answer:
B.
Explanation:
Because a Longitudinal wave is a wave vibrating in the direction of propagation.
The mRNA needs to copy the gene sequence of the dna before it leaves the nucleus to the tRNA and rRNA
Answer:
The correct answer will be option-pollen.
Explanation:
The pollen are the male gametophyte which is produced in the seed plants.
The pollen produce male gametes after entering the female gametophyte. The male gametes fuse with the egg cell and form the embryo inside ovary which matures and forms seeds. The vascular seed plants lack these pollen but instead produces male gametes in gametangia which are replaced by the pollen in the seed plants.
Thus, option-pollen is the correct answer.
Y is the best options because a secondary consumer will eat a primary consumer for energy (the grass hopper).
<u>Answer:</u>
The correct answer option is D. Carry nerve impulses from the brain to skin, glands, and muscles
<u>Explanation:</u>
Motor neurons carry signals out of the Central Nervous System (CNS).
These motor neurons have long extensions called axons which spread from the CNS to the muscles that connect with the innervate.
The information from the brain to the muscles and other glands is sent in the form of electrical impulses via the spinal cord.
