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What's in an Ecosystem?

7th Grade Ecology, Kylie Robertson

What's in an Ecosystem?

By the end of this lesson, you will be able to

  • differentiate between biotic (living) and abiotic (nonliving) factors in an ecosystem.
  • use the 7 main factors of life to determine whether something is living or nonliving.

There are many parts of an ecosystem that do not count as plant or animal, many of which are not considered alive! Today, you'll explore some of these factors using an interactive image. First, watch the video on the next slide to learn more about what "biotic" and "abiotic" mean, writing down what factors something needs to be considered living. Then, move on to the next page, hovering your mouse above any purple circle icons you may see, reading, listening, or watching what appears to learn more about the ecosystem presented!

This is an example of an icon to hover your mouse over!

Watch this before moving on:

Are mushrooms living or nonliving?

Answer Here

This is a pike, a type of fish found throughout many parts of the Northern Hemisphere, in both fresh and moderately salty waters.

These are microorganisms, organisms that are too small to see with a human eye, but still manage to check off the boxes to be considered living! They exist everywhere, even in and on your body, helping digestion and eating dead skin cells.

It takes more than 8 minutes for light from the Sun to reach the Earth! While it does create energy, the Sun is not made of cells.

Here's a great video of a heron completing one important factor: obtaining and using energy!

Here's some more information about the topic, specifically the identifying features of life!