Aquatic animals that rely on external fertilization for reproduction have a low probability of successful fertilization. Which one of the following is not used by aquatic animals to increase the success of external fertilization?
A. production of a large number of gametes that are released simultaneously
B. courtship rituals to synchronize male/female gamete release
C. moving onto land for fertilization
D. release of pheromones to synchronize male/female gamete release
Answer: C. moving onto land for fertilization
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Charles Darwin is best known for developing ________
a. the theory of blending inheritance b. improved varieties of fruits and vegetables c. the chromosome theory of inheritance d. the theory of natural selection
Laboratory experiments about bacterial mutation rates have demonstrated which of the following?
A) Bacterial mutation rates rarely evolve in short-term laboratory experiments; they are a relatively fixed feature of a species biology. B) In short-term laboratory experiments, bacterial mutation rates often evolve to be higher because higher mutation rates result in higher fitness. C) In short-term laboratory experiments, bacterial mutation rates often evolve to be lower because mutations are typically deleterious for organisms. D) Depending on the experiment, bacterial mutation rates sometimes evolve to higher rates, and other times evolve to lower rates.
The glomerular capsule contains capillaries inside of it called the ________. Together they form the renal corpuscle
Fill in the blank(s) with correct word
Which of the following statements is FALSE?
A) Each species has a specific number of chromosomes. B) New nuclei are formed during telophase. C) Genes and chromosomes are duplicated during prophase. D) Homologous chromosomes do not pair during mitosis.