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Library
9/7 Intro to Ecosystems
By Ryan Beeler
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Last updated 10 months ago
4 questions
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PART 1
: Watch my video to complete the chart and do the card sort.
1
1
PART 2
: Watch the introduction to resource partitioning and answer the questions
1
1
Question 1
1.
Use the "squiggy line" tool to write in a +/-/X/0 for the effect that the relationship has on each species.
visibility
View drawing
Question 2
2.
Question 3
3.
Which of the following statements best describes niche partitioning?
Varying prey species maintains biodiversity.
Superior species enjoy success because of competitive exclusion.
Coevolution between two species means they can always share the same niche.
Similar species can coexist because of slight differences in each one’s niche.
Question 4
4.
How can niche partitioning increase biodiversity?
Match the relationship with its category. 3 in each category.
Two
male lions fight over
a
female lion.
A pack of
wolves and
a
bear fight over
a dead
deer.
A
praying mantis stalks
a
grasshopper.
Oxpeckers eat
ticks and
parasites off
of
water buffalo
for food and the water buffalo are free of parasites.
A
butterfly drinks nectar
from a flower and the
flower gets pollinated
.
Spring Woods
Tigers
vs. Northbrook
Raiders
A
fungus grows
underneath
a
tree
’s bark and
causes the tree to grow slowly
.
A
tapeworm
lives
in
the
intestines of a human
stealing nutrients and the human is sick and loses weight.
Barnacles
live on
the skin of
whales
so they can eat and travel to new environments. The
whale is neither helped nor harmed
.
Fleas suck blood
from a
cat
.
Lichens grow on trees
and are protected. The
tree is not affected.
Ants milk aphids for
honeydew (
food)
and the
aphids are protected from predators
by the ants.
A blue jay
bird
pulls an earthworm out of the ground and
eats the earthworm
Harmless eyelash mites live in your eyelash
follicles/roots
A
lion
chases, catches,
kills, then eats a zebra
Mutualism
Commensalism
Predation
Competition
Parasitism