Through initial observation, research led by Naud and Hanlon showed that the main adaptation in behavior, that increases reproductive success of a male in the cuttlefish Sepia apama, is
A. None of the answer choices is correct.
B. to change color and mimic another female, because the females are solitary and do not allow any males near them.
C. an altruistic trade, in which females allow a large male to mate with them in exchange for protection from predators during the vulnerable
gestation period.
D. guarding the females from subsequent mating attempts by other males.
E. the use of the male's arms to sort and mix the eggs and sperm, to ensure successful fertilization before he leaves the female.
D. guarding the females from subsequent mating attempts by other males.
You might also like to view...
Which of the following statements considering the human body as an ecosystem is incorrect?
A. Lactobacillus acidophilus and Lactobacillus jensenii are populations within the vaginal community. B. The microbes present in dental plaque constitute a community. C. The skin, the gut, and the nasopharynx are all habitats. D. An infection can be considered a habitat's response to an alteration in environmental conditions.
The integumentary system is responsible for all
EXCEPT which of the following? a. protection against bacterial attack b. protection against desiccation c. synthesis of a certain vitamin d. blood cell formation e. control of temperature
Which of the following is incorrect regarding Yersinia pestis?
A. It produces coagulase as a virulence factor. B. It has a capsule as a virulence factor. C. It produces an enterotoxin. D. It exhibits bipolar staining and appears to resemble a safety pin. E. It is a gram-negative rod.
What does it mean for an apicomplexan to have a complex life cycle?
a. require two or more hosts b. have many specialized structures c. never age d. begin with a larval stage