Answer:
include the brain and spinal cord
Explanation:
Flowering plants reproduce by fertilization even if they are immotile by having their pollen be attached to the wings or bodies of other animals that touch them. This process is called animal pollination in which animals help to switch the genetics between different plants.
Answer:
yes
Explanation:
extension of proton to electrons
Answer:
Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants. Figure below shows the hands of several different mammals. They all have the same basic pattern of bones
In the movement of sperm tail plays an important role due to which sperm is able to move.
Sperm move to the uterine tube through uterine contractions and the energy of their own flagella.
Motility of sperm is also depend upon various metabolic pathways and the mechanism of regulation.
<h3>What is causes sperm to move?</h3>
The structure of sperm contains tail which have large numbers of protons channels which are known as Hv1 channels that respond to changes in pH and concentration of zinc outside the cell.
Learn more about movement of sperm here :
brainly.com/question/10203592
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