Males have little influence on population growth in populations with ____
a. more males than females
b. more females than males
c. equal numbers of females and males
d. one male
e. animals that form lifelong pairs
ANSWER: e
You might also like to view...
Which of the following is the correct sequence that describes the excitation and contraction of a skeletal muscle fiber?
1. Tropomyosin shifts and unblocks the cross-bridge binding sites. 2. Calcium is released and binds to the troponin complex. 3. Transverse tubules depolarize the sarcoplasmic reticulum. 4. The thin filaments are ratcheted across the thick filaments by the heads of the myosin molecules using energy from ATP. 5. An action potential in a motor neuron causes the axon to release acetylcholine, which depolarizes the muscle cell membrane. A) 1 ? 2 ? 3 ? 4 ? 5 B) 2 ? 1 ? 3 ? 5 ? 4 C) 2 ? 3 ? 4 ? 1 ? 5 D) 5 ? 3 ? 1 ? 2 ? 4 E) 5 ? 3 ? 2 ? 1 ? 4
Encapsulated strains of Streptococcus pneumoniae are particularly pathogenic, because they
A) produce exotoxin A. B) produce exotoxin B. C) are potentially very invasive. D) produce M protein surface antigens.
The principle of independent assortment states that:
1.One allele is always dominant to another. 2.Hereditary units from the male and female parents are blended in the offspring. 3.The two hereditary units that influence a certain trait segregate during gamete formation. 4.Each hereditary unit on one chromosome is inherited separately from hereditary units on other chromosomes. 5.Genes on the same chromosome travel separately.
Which tissue contains large amounts of densely packed collagen fibers that run parallel to each other?
A) Lymph B) Nerve C) Blood D) Adipose E) Tendons