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Day 2 Ecosystems Intro

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  Watch this video: Generation Genius Symbiosis Read this article    (or click  HERE  to have it read to you) and then answer the questions on your journal page for  DAY 2 . Symbiotic Relationships Symbiosis  is a close relationship between two species in which at least one species benefits. For the other species, the relationship may be positive, negative, or neutral. There are three basic types of symbiosis:  mutualism ,  commensalism , and  parasitism . ANSWER QUESTION 1 Mutualism Mutualism  is a symbiotic relationship in which both species benefit. An example of mutualism involves goby fish and shrimp (see the  Figure below ). The nearly blind shrimp and the fish spend most of their time together. The shrimp maintains a burrow in the sand in which both the fish and shrimp live. When a predator comes near, the fish touches the shrimp with its tail as a warning. Then, both fish and shrimp retreat to the burrow until the preda...
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Day 3 Ecosystems Intro

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   Watch this video:  Generation Genius Food Webs Read this article  (or click  here  to have it read to you )  and then answer the questions on your journal page for  DAY  3. What is the source of energy for almost all ecosystems? The SUN supports most of Earth's  ecosystems . Plants create  chemical energy  from  abiotic factors  that include solar  energy . The food energy created by  producers  is passed through the  food chain . How Energy Flows Through Ecosystems All living things need energy. They need it to power the processes of life. For example, it takes energy to grow. It also takes energy to produce offspring. In  fact , it takes energy just to stay alive. Remember that energy can’t be created or destroyed. It can only change form. Energy changes form as it moves through ecosystems. ANSWER QUESTION 1 The Flow of Energy Most ecosystems get their energy from the Sun. Only produ...
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