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35 Cards in this Set

  • Front
  • Back

The difference between a parasitoid and a parasite is:

parasitoids always kill their hosts while parasites usually do not harm their hosts

T or F: Spider webs capture flying insects and thus act as flight intercept traps.

True

Weasels tend to kill their prey by using their canine teeth to:

bite into the back of the prey's cranium and pierce its brain

A plant (like Indian Pipe) that does not make its own food but gets its carbon products from other plants through the help of a fungal partner is known as a:

mycoheterotroph

T or F: In order to give support to their penis when mating, Walrus have a very large penis bone (baculum)

True

The special hold that male frogs and toads use when mating is called:

amplexus

A baby clam is known as a:

glochidium

Plants with highly dissected leaves would likely grow in:

sunny field

T or F: Birds are able to sing two songs simultaneously.

True

Gray Jays

cache (store) thousands of edible items through the summer and fall




have enlarged salivary glands that are used to wrap food in a saliva blanket




have an excellent spatial memory for finding stored food




nest early early (often by early March), long before most other birds start nesting

Risks that arise from advertising for a mate include:

being found by a predator

T or F: One common solution to the shade problem is for wildflowers to bloom in early spring.

True

A female Ebony Jewelwing tells a male that she is interested in mating with him by:

clapping her wings in the air above her back



The number one problem facing predators is:

starvation

What is NOT true concerning antlers of buck deer and bull moose:

antlers are also called "horns" because they are made of compressed hair

T or F: To attract mates, male Ruffed Grouse gather together and perform ritualized dances in large areas called leks.

False (Ruffed Grouse drum on logs and have wonderful ruff and tail displays to attract females but do not dance at leks like Sharp-tailed and other prairie grouse do.)

Pheromones are:

chemicals released by animals, often for mate attraction

Sundews grow in peatlands and attain many of their nutrients by:

catching insects with adhesive leaf traps

Endoparasites:

Iive inside a host




usually do not harm their hosts, especially the definitive host




often change hosts and reproduce in a definitive host




sometimes change the behaviour of an intermediate host, making it more vulnerable to being eaten by a definitive host





T or F:


Courtship gifts are often given by male predatory animals (i.e., Dance Flies, Scorpionflies, some spiders) in order to avoid being eaten while mating with the female

True

T or F: colour is a long range attractant for insects

True

T or F: many flowers are red because that colour is very popular with bees

False

Which of these wildflowers has an "explosive" sex life:

Bunchberry

Pheromones are chemicals that are used for this purpose:

social wasps (such as yellowjackets) to get colony members to attack a possible predator




female silk moths to attract a male mate




eastern wolves to define their territory boundaries




female garter snakes to attract male mates

T or F: Female Choice is the reason bull Moose have antlers

True

Male Dragonflies use their claspers to:

hold a female by the back of her head during mating

This animal drums to attract a mate

Pileated Woodpecker

T or F: male garter snakes have two hemipenes and can mate with two females at one time

False

Brood patches are:

bare skin on the bellies of birds for incubating eggs

T or F: Elaiosomes are special protein packages on seeds that attract ants for dispersal.

True

Flight intercept traps are prey-capturing adaptations used by:

orb-weaver spiders

T or F: Opossums have a very long gestation period and then nourish their babies in a belly pouch for another long period of time

False

T or F:plants that use the wind for pollination produce vast small amounts of pollen

False (they produce lots!)

Which of these is NOT an aid for seed dispersal:

capitellum

T or F: Turtles lay many eggs and guard them until they hatch.

False