Lesson6:Food web
What happens to the remains and wastes of the organisms in an ecosystem?
They are used as food by decomposers
Where do consumers get their food
Producers
What is matter?
Anything that has mass and volume
What are some animals that live in the Gulf of Mexico?(Name at least 3)
black bears, manatees, whales and dolphins, coastal-dwelling manatees, fish including tarpon and snapper, and invertebrates such as shellfish, corals, and worms.
Bison weigh ____ kilograms or more
500 kilograms
What is a decomposer?
A decomposer is a type of consumer that feeds on dead remains.
Where do Producers get their food
Sun
Why do all organisms need matter and energy?
Because they need to grow
What are some good things that happen to an ecosystem when a beaver builds a dam. (Name 2)
1. Plants grow faster underwater
2. changes how water flows through the ecosystem far downstream
3. Changes the population of moose and other herbivores when more plants grow.
Sequoia trees are some of the largest ______ on Earth
organisms
What do the arrows in a food web represent?
What animal/plant gets eaten by which animal
Are Amoebas Unicellular or multicelluar organisms?
Unicellular organisms
How do organisms get matter and energy?
By eating and drinking
What are the 2 things engineers consider when they build? (Hint: They both start with the letter C)
engineers consider both criteria and constraints
How can the wastes of decomposers get recycled in a food web?
They get Recycled in the food webs when they are taken in by plants to help them conduct photosynthesis and build their tissues.
Do decomposers use cellular respiration? Why or why not?
Yes, they use it to get energy from the waste and dead tissues they consume.
What are the 3 things organisms can do with their food?
It can use food for energy, for growth, or for reproduction
What are producers?
An organism that captures energy and matter from its surroundings to produce sugars and other molecules
Under natural conditions, the ________ River brings sediments from hundreds of kilometers away and deposits them where the river enters the Gulf of Mexico
The Mississippi River
Plants and some other organisms are able to use a ________ process that can capture energy from sunlight and use that energy to transform nonliving parts of ecosystems
Chemical prossess
What is a trophic pyramid?
A trophic pyramid is a model that shows how much energy is transferred from one stage to the next in a food chain.
Which organisms use mitochondria to conduct cellular respiration?
All multi organisms, and most unicellular organisms
The ______ your body uses comes from the sun
Energy
What is a dynamic system?
Dynamic system: any system that is characterized by constant change
What was one thing that Sylvia Earle was the first person to do?
She was the first person to deep-sea dive in a pressurized JIM suit.