3The chemical reaction by which green plants use water and carbon dioxide and light from the sun to make glucose.ENERGY is stored in glucose; glucose is stored as starch.
4Organisms that can make glucose during photosynthesis are called PRODUCERS.
5Producers use most of the energy they make for themselves.
6Producers use cellular respiration to supply the energy they need to live.
76O2 + C6H12O6 --> 6H2O + 6CO2 + energy CELLULAR RESPIRATION is the chemical reaction that releases the energy in glucose.
8The energy that is not used by producers can be passed on to organisms that cannot make their own energy.
9Organisms that cannot make their own energy are called CONSUMERS.
10Consumers that eat producers to get energy: Are first order or primary consumersAre herbivores (plant-eaters)
11Most of the energy the primary consumer gets from the producer is used by the consumer.
12Some of the energy moves into the atmosphere as heat.
13Some energy in the primary consumer is not lost to the atmosphere or used by the consumer itself. This energy is available for another consumer.
14A consumer that eats another consumer for energy: Is called a secondary or second order consumerMay be a carnivore or a omnivoreMay be a predatorMay be a scavenger
15Most of the energy the secondary consumer gets from the primary consumer is used by the secondary consumer.
16Some of the energy is lost as heat, but some energy is stored and can passed on to another consumer.
17A consumer that eats a consumer that already ate a consumer: Is called a third order or tertiary consumerMay be a carnivore or a omnivoreMay be a predatorMay be a scavenger
18Consumers that eat producers & other consumers Are called omnivoresOmnivores eat plants and animals
19Consumers that hunt & kill other consumers are called predators Consumers that hunt & kill other consumers are called predators. They animals that are hunted & killed are called prey.
20Consumers that eat other consumers that have already died are called scavengers.
21The transfer of energy from sun to producer to primary consumer to secondary consumer to tertiary consumer can be shown in a FOOD CHAIN.
22Another way of showing the transfer of energy in an ecosystem is the ENERGY PYRAMID.
23Energy pyramids showThat the amount of available energy decreases down the food chainIt takes a large number of producers to support a small number of primary consumersIt takes a large number of primary consumers to support a small number of secondary consumers