What are some costs and benefits of territoriality?

Of what use is a territory to an animal, and how is a territory estab-lished and kept? What is the difference between territory and home range?

In a coastal marine habitat, a species of fish is found. During the breeding season, dominant males establish territories and mate with multiple females. Females deposit their eggs in nests built by the males, who provide no parental care after fertilization. What type of mating strategy is most likely exhibited here? Group of answer choices Monogamy Promiscuity Polyandry Polygyny

what are the long term vs short relationships in mate preference?

What is an example of intraspecific competition?

What have evolutionary psychologists argued about human cooperation? There is no fundamental human nature; it differs completely between cultures. O Humans are poor at detecting violations of conditional logic rules, yet we can easily detect a violation of a rule that involves cheating on a social exchange or social rule. Humans have talent for detecting social norm violation using pure logical thinking, however we still find social norm violations more difficult than logic and probability. Humans need to avoid inbreeding, form friendships, and avoid exploitation. The same general mechanism allows us to do all three: associative learning.

How would self-sacrifice of male redback spiders be an adaptive behaviour? Select one: a. When males meet a female and self-sacrifice, it activates enzymes that make his sperm more fit and able to fertilize more eggs. b. Males are able to mate with one female, then mate with another female nearby, before being devoured by the first female. C. Males only use self-sacrificing behaviour once they have mated with several females and have exhausted their sperm supplies. d. The chance of a male meeting more than one female is quite low; self-sacrifice maximizes mating time with and sperm transfer to any female the male finds.

Define mutualism. Give two example of a mutualistic interaction.

Which of the following is not a reproductive barrier associated with behavioral isolation? a flashy feathers b courtship dance c attractive calls/songs d time of day

Which piece of evidence best supports the hypothesis that the evolution of altruistic behavior is driven by kin selection? A hippo is observed saving an antelope from an attack by an alligator. A cuckoo bird hides its own eggs in the nest of another bird species. A meerkat protects the offspring of its sister from an attack by hawks. A male gorilla helps protect his offspring from an attack by a tiger.