Which are there more of, wolf or deer? Why? Soda Bottle BONUS!

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Presentation transcript:

Which are there more of, wolf or deer? Why? Soda Bottle BONUS!

The study of interactions between organisms and other organisms and organisms and their environment.

A group of organisms that are able to breed with one another. Groups of members of the same species that inhabit a given area Different populations living together in one area.

Predator/prey- hunter/hunted Herbivore/carnivore- plant vs. meat eaters Autotroph/heterotrpoh- producer/consumer autotroph MAKES ITS OWN FOOD heterotroph EATS ITS FOOD Decomposer- breaks down complex molecules in dead organisms, recycling them for others

Parasite/Host- Parasites live at the expense of their hosts example- tapeworm lives in your intestines and TAKES your nutrients Mutualistic- BOTH species benefit example- wrasses (fish) clean the mouths ofpredators. Wrasses get food, predators get clean teeth.

NO! Very few things in nature only eat one thing. Everything is interconnected, so it is easier to show as a food web. *Arrows point toward what is eating, not being eaten! (arrows show ENERGY FLOW through ecosystem)

All areas of Earth in which life exists (land, air, water, etc.)

How could you study a group of field mice in a 200 acre field? Is that group a population or a community?