Answer:
Four innovations are central nervous system, eyes, bilateral and hermaphrodites.
Explanation:
Innovations found in an ancient flatworm were the presence of central nervous system means head and a brain. The head had eyes which is the first in the animal world. Their body is bilateral means equally divided into two parts. They are also hermaphrodites means having male and female on a single organism which was not present at that time of animals.
Answer:
Crossing over is the swapping of genetic material that occurs in the germ line. During the formation of egg and sperm cells, also known as meiosis, paired chromosomes from each parent align so that similar DNA sequences from the paired chromosomes cross over one another.
Explanation:
Human's have 22 pairs of autosomes. Females have two copies of the x-chromosome.
Double fertilization occurs in Angiosperms
The Internal capsule is part of the motor pathway and is therefore denoted as option A.
<h3>What is Internal capsule?</h3>
This is characterized by a a white matter which is located in the inferomedial part of both cerebral hemisphere of the brain. The brain serves as the control center of the central nervous system which comprises of a rich network of neurons interconnected together for prompt response to different types of stimuli.
The internal capsule however functions together with the pyramidal motor pathway during the processing of different types of stimuli and information hence it being chosen as the most appropriate choice.
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