Evolutionary Trees Are Continually Revised by Scientists as New Information

question 65

Multiple Choice

Evolutionary trees are continually revised by scientists as new information becomes available from various sources such as

• A) better understanding of the details of physiological processes.
• B) additional, similar fossils found in relation to the geological time period.
• C) the continued evolution of current Earth species.
• D) the identification of alien species that have reached Earth via meteorites and comets.

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Definitions:

Sensory Nerve Impulses

Electrical signals generated by sensory receptors that convey information from the sensory organs to the brain.

Motor Nerve Impulses

electrical signals that travel along motor neurons to stimulate muscles to contract or glands to secrete.

Amino Acid

Organic compounds that combine to form proteins, serving as the building blocks of life.

Memory

The faculty by which the mind stores and remembers information.