Living vs. Non-Living
Name three non-living things
Rocks, water, air, metal, plastic, etc.
Is water organic or non-organic?
Non-organic
What are all living things made of?
Cells
What are the two main types of cells?
Prokaryotic and Eukaryotic
What shape are plant cells?
Rectangular or square
What do we call the place where all living things exist?
Biosphere
What is the main element in organic substances?
Carbon
What are the terms for organisms that are made of only one cell? And organisms that are made of many cells?
Unicellular and Multicellular
Are bacteria made of prokaryotic or eukaryotic cells?
Prokaryotic
What shape are animal cells?
Round or irregular
Why is fire not considered a living thing?
It does not have cells, it cannot reproduce, etc.
Water and Mineral Salts
What cell structure exists in eukaryotic cells but not in prokaryotic cells? (stores genetic material and controls cell activities)
The nucleus
What type of cells do humans have?
Eukaryotic
Name a structure that plant cells have and animal cells do not
A cell wall, chloroplast, central vacuole
What process is performed by living things to produce more of their own kind?
Reproduction
Which organic stucture is mainly used for giving us energy?
Carbohydrates
What cell structure is responsible for providing energy to the cell (involved in ceullular respiration)?
Mitochondria
Are prokaryotic or eukaryotic cells larger?
Eukaryotic
What organelle in plant cells is responsible for photosynthesis?
Chloroplasts
What are the four most abundant elements in living things?
Carbon, Hydrogen, Oxygen, Nitrogen
Name at least three of the main types of organic substances
Carbohydrates, proteins, lipids, nucleic acids.
What cell tructure regulated the passing of substances in and out of the cell?
Cell membrane
Name at least two cell structures that prokaryotic and eukaryotic cells have in common.
Cell membrane, cytoplasm, genetic material
What is the term for a group of similar cells that work together?
Tissue