What is the name given to determining evolutionary relationships by looking at one characteristic at a time?
What will be an ideal response?
Answer: Cladistics
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When is asexual reproduction more likely to happen? a. Asexual reproduction is completely random when it occurs
b. During a relatively stable environment. c. Species cannot reproduce asexually. d. During a time of great change in the environment. e. During a stressful time in the species lifetime.
Like skeletal muscle, cardiac muscle:
A. relies on calcium and ATP to contract B. is controlled by the stimulation of motor units C. uses temporal summation to increase contractile force D. has both fast twitch and slow twitch muscle fiber types E. is multinucleate
The MOST major challenge to pH homeostasis is:
A) hyperventilation. B) CO2 elimination. C) acute fluid loss. D) acid production.
In the human circulatory system, blood flows through the following structures in which order? (1) vena cava, (2) left ventricle, (3) pulmonary vein, (4) right atrium, (5) aorta, (6) pulmonary capillaries
a. 1 - 4 - 6 - 3 - 2 - 5 b. 1 - 5 - 3 - 6 - 2 - 4 c. 1 - 2 - 6 - 3 - 4 - 5 d. 1 - 4 - 3 - 6 - 2 - 5 e. 1 - 2 - 3 - 6 - 4 - 5