Interspecific Interactions

Question 1

Mutualism

Answer 1

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- Herbivores
- Flowers and Pollinators

Question 2

Perdation

Answer 2

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- one species kills and eat eachother
Ex. Crocodiles/fish

Question 3

Herbivory

Answer 3

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Herbivory is not usually fatal
- Plants must expend energy to replace the loss

Plants have numerous defenses against herbivores
- Spines and thorns
- Chemical toxins
Ex. Caterpillars/leaves

Question 4

Competition

Answer 4

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Ex. Squirrels/black bears

Question 5

Parasites and Pathogens

Answer 5

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-A parasite lives on or in a host from which it obtains nourishment
-Internal parasites include nematodes and tapeworms
-External parasites include mosquitoes and ticks
Ex. Heartworms/dog; Salmonella/humans

Question 6

Coevolution

Answer 6

a series of reciprocal evolutionary adaptations in two species

Question 7

Ecological Niche

Answer 7

sum of an organism’s use of biotic and abiotic resources
-interespecific competition occurs when the niches of two populations overlap
- how they fit in an ecosytem