DNA has two strands
RNA has one
Capillaries are the smallest of all your blood vessels, only visible under a microscope. They link the arterioles to the venules. Capillaries were discovered by Marcello Malphigi in 1661. There are 10 billion capillaries in your body.
An ant that is resistant to pesticide .
B)
A cactus that has no spines.
C)
A mouse that has learned to avoid mousetraps.
An example of an organism with a genetic variation that could improve survival chances over time would be an ant that is resistant to pesticides (Option A)
Genetic variation refers to differences in the genetic material (DNA) among individuals within a species. This can arise due to several mechanisms, including mutation, recombination, and genetic drift. Genetic variation provides the basis for evolution by natural selection, as it allows for populations to adapt to changing environments and helps to ensure the survival of the species over time.
Genetic variation can also play a role in disease resistance, as some individuals may carry genetic variations that protect them from certain diseases. Additionally, genetic variation can impact physical and behavioral traits, such as eye color, height, and intelligence.
Learn more about genetic variation, here:
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c. thalamus.
b. cerebellum.
d. hypothalamus.
The correct answer is a - cerebrum
The cerebrum, also called cortex is the largest part of the brain. It is divided into four sections, called lobes and these are the frontal lobe, the parietal lobe, occipital lobe and temporal lobe.
Front lobe helps in speech, reasoning, planning, movement , emotions and problem solving.
parietal lobe helps in orientation, and perception of stimuli and movement.
Occipital lobe helps in visual processing.
Temporal lobe helps in memory, speech as well as perception and recognition of auditory stimuli.
Explanation:
They are All Jobs of the root