9/7 Intro to Ecosystems

PART 1: Watch my video to complete the chart and do the card sort.

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Use the "squiggy line" tool to write in a +/-/X/0 for the effect that the relationship has on each species.

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Two male lions fight overa 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 WoodsTigers vs. Northbrook Raiders
A fungus grows underneatha 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

PART 2: Watch the introduction to resource partitioning and answer the questions

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