Ecosystem Basics
What is the term for a community of living organisms and their physical environment interacting as a system?
What is an Ecosystem ?
Give an example of an abiotic factor in a forest ecosystem
What is a rock.
What does cell theory state about the relationship between cells and living things?
All living things are made of cells.
What is the function of the cell membrane?
It protects the cell’s interior and regulates the movement of substances in and out of the cell.
What does DNA stand for?
Deoxyribonucleic Acid
Name the process by which plants use sunlight to synthesize foods from carbon dioxide and water.
What is Photosynthesis?
What is the term for a living component of an ecosystem?
What are Biotic Factors
According to cell theory, where do all cells come from?
Pre-existing cells
Name the part of the cell that contains genetic material
What is the Nucleus?
What is the shape of DNA?
A double helix.
What is the term for a group of the same species living in the same area?
What is a population ?
Abiotic factors are...
What are non-living things in an ecosystem?
What is the basic unit of structure and function in living organisms?
The Cell
What organelle is responsible for photosynthesis in plant cells?
chloroplasts
What are the four nitrogen bases in DNA?
Adenine, Thymine, Cytosine, and Guanine
Define Biome
What is a distinct geographical region with specific climate, vegetation, and animal life?
The term "Bio" means...
What is life ?
True or False: All animal and plant cells are the same.
False, they have different cell organelles.
Which organelle is known as the powerhouse of the cell?
The Mitochondria
Which nitrogen base pairs with Adenine in DNA?
Thymine
A food web is better than a food chain because..
What is a food web shows other directions the energy can go.
What is the starting point of all food chains?
Animal cells have an outer barrier call the what ?
Cell Membrane
What is the difference between animal and plant cells regarding vacuoles?
Plant cells typically have a large central vacuole, while animal cells may have smaller vacuoles or none at all.
What is the backbone of the DNA structure made of?
Sugar and phosphate groups.