The answer is bilateral.
<span>The pennalean diatoms have <u>bilateral</u> symmetry and an elongated shape. The pennalean diatoms have the specific shape of the cell walls. Their valves can be linear or oval with bilateral symmetry. The patterns consist of a series of transverse lines.</span>
Answer:
East-West
Explanation:
According to the compass its points at to the east-west
Answer:
Animals are born knowing how to do something instinctual, but they must be taught learned behaviors and practice them to get good at them. Male birds of paradise are known for having bright markings that they flash while making complex movements when females are nearby. ... This is an example of courtship behavior.
Answer:
Action potentials from different sensory modalities are carried on different nerve tracts.
Explanation:
Action potential in the cells occur upon the stimulation of the signal. The action potential results in the change in the membrane potential of the cell and responsible for the transmission of nerve impulse.
Different sensory receptors are present on brain to sense the different action potentials of the body. The different sensory modalities are used for the different nerve tracts and information flows occur in the body in the specific area.
Thus, the correct option is (a).
True, gases in the atmosphere can change behavior