Monday, April 2, 2018

Science Update / Monday, April 2

Dear Students

Our new unit is 3A Unit 7.7 Habitats and Environment. 

Things to do / Due date is Tuesday, April 3

1. Watch the video and answer the follwing questions that you will find in the link

  1. How do land plants generate the energy they need for their metabolic energy? What do they do with excess energy?
  2. Where do scavengers in an ecosystem obtain their energy from? How can scavenging be a beneficial strategy for an organism?
  3. What is the role of decomposers?
  4. What kind of problems can you foresee if every speck of carbon were turned into biomass? Why?
  5. Complete this statement: Energy ___________ through an ecosystem, whereas nutrients are ____________.
2.  Answer the review questions.
  1. Define an ecosystem.
  2. Distinguish between abiotic and biotic factors. Give examples of each.
  3. Where does the energy come from for many ecosystems?
  4. Name two nutrients that are recycled through an ecosystem.
3. Copy the vocabulary section into your notebook 

abiotic factor Nonliving aspect of the environment.
biogeochemical cycle Pathway of elements like carbon and nitrogen through the non-living and living parts of the ecosystem.
biotic factor Living aspects of the environment.
consumer Organism that must eat or consume other organisms to obtain energy and nutrients.
ecology Study of how living organisms interact with each other and with their environment.
ecosystem All of the living things and non-living things interacting in the same area.
habitat Ecological or environmental area where a particular species live.
photosynthesis Process by which specific organisms (including all plants) use the sun's energy to make their own food from carbon dioxide and water; process that converts the energy of the sun, or solar energy, into carbohydrates, a type of chemical energy.
population Group of organisms belonging to the same species that live in the same area and interact with one another.
producer Organism that can absorb the energy of the sun and convert it into food through the process of photosynthesis; i.e. plants and algae.