Question 10 Of the following, which is correctly matched with its reproductive mechanism? Monotremes - egg-laying mammals found only in Australia and New Guinea Monotremes - mammals who have live birth Placental mammals mammals with a pouch Marsupials - egg-laying mammals found only in Australia and New Guinea

Polygyny is a common mating system in nature. Which one of the following scenarios is LEAST likely to result in a polygynous mating system? Male stalk-eyed flies form leks where receptive females come visit Male Neotropical giant damselfly defend water-filled tree holes, which are the oviposition sites for females. Suitable tree holes for oviposition are rare and females must mate with the resident male in exchange for access to the oviposition sites. Male Bengal tigers defend large territories that contain food sources. Female Bengal tigers visit male territories to mate. The density of the Bengal tiger is extremely low that male tigers rarely encounter more than one female in their lifetime. In the bumblebee-wolf Philanthus bicinctus, females are unreceptive until they finish constructing the long underground burrow as nest sites. Males search for locations containing a number of newly constructed burrows and attempt to control these sites against the intruders. Your cousin Peter…

a b c or d

Which of the following life stages is the parasitic stage of Unionidae mussels?   Question 3 options:   Adult   Embryo   Larva   All of the life stages of Unionid mussels are parasitic   None of the above - the Unionidae mussels are not parasitic