The smallest units of life in all living things are ___
What is cells
100
The organelles in plant cells that contain a green pigment are the ___
What is chloroplasts
100
The specific physical location in which a given species lives is called its ___
What is habitat
100
What type of bacterial shape is bacillus
What is rod shaped
100
A ___ is an agent that is harmful to living things
What is a pathogen
200
Bacterial cells have what 2 things surrounding them?
What is cell membrane and cell wall
200
In going from one trophic level to the next higher level, the amount of usable energy ___
What is decreases
200
The study of interaction of living organisms with each other and with their physical environment is called ___
What is ecology
200
What type of bacteria is spiral shaped
What is spirillum
200
As a result of diffusion, the concentration of many types of substances eventually becomes _____ on both sides of a membrane
What is balanced
300
List 2 things found in plant cells and not in animal cells
What is cell wall, chloroplast, large central vacuole
300
List 2 differences in plant and animal cells
What is plant cells have a cell wall, large central vacuole and chloroplasts and animal cells don't
300
Photosynthetic algea in the food web from your study guide were ___
What is producers
300
Water and minerals needed by all organisms on Earth pass back and forth between the biotic and abiotic portions of the environment in a process called ___
What is a biogeochemical cycle
400
What does the mitochondria do for the cell
What is transfer energy from organic molecules to ATP
400
Bacteria lack a true nucleus and membrane-bound organelles; therefore they are classified as ___
What is prokaryotes
400
What were the leopard seals in the food web on your study guide?
What is carnivores
400
A typical virus consists of what 2 main parts?
What is protein coat and nucleic acid core
400
Diffusion takes place from an area of ___ concentration to an area of ___ concentration
What is high to low
500
List a difference between prokaryotes and eukaryotes
What is prokaryotes have no nucleus or membrane bound organelles
500
List the levels of organization of structures of living things from smallest to largest (there are 4)
What is cells, tissues, organs, organ systems
500
Among all the food chains in the food web from your study guide, the organisms at the highest trophic level are ___
What is the killer whales
500
The capsid of a virus is the ___
What is protective outer coat
500
In the nitrogen cycle, plants use nitrates and nitrites to form