Unit 1 Flashcards
What is the study of biology?
The study of living things
How do you know if something is alive?
1) It uses energy (made of cells)
2) Reproduces (passes DNA on)
What are the levels of biological organization?
1) Atoms
2) Molecules
3) Organelles (Mitochondria, golgi…)
4) Cells (Cardiac cell)
5) Tissue (Heart tissue)
6) Organ (Heart)
7) Organ system (Cardiovascular system)
8) Organism
9) Population (Organisms of SAME species)
10) Community(Different organisms living together)
11) Ecosystem (Living & non-living components)
12) Biomes (Prarie, desert, decidous forest)
13) Biosphere (The earth)
What is a producer?
Organism that uses sunlight of chemicals for energy
What is a consumer?
Organisms that eat producers and other consumers. (Herbivores & carnivores)
What are decomposers?
Organisms that eat dead and decomposing producers and other consumers. (Fungus & bacteria)
What is a prokaryote?
“pre” “nucleus” (No nucleus) (Bacteria)
What is a eukaryote?
“true” “nucleus” (Has a nucleus) (Humans)
What is an autotroph?
“self” “feeder”
What is a heterotroph?
“different” “feeder”
What are the 3 domains?
1) Eubacteria
2) Archaebacteria
3) Eukarya
What are the 6 kingdoms?
1) Archaebacteria (Ancient, prokaryote)
2) Eubacteria (Prokaryote)
3) Protista (1 cell, Eukaryote)
4) Plantae (Multi-cell, autotroph, eukaryote) (Tree)
5) Fungi (Heterotroph, external digestion)
6) Animalia (Heterotroph, internal digestion)
(3-6 fall under the eukarya domain)
What does the acronym King Phil Came Over For Green Shakes mean?
Kingdoms Phylum Class Order Family Genus Species
What is a hypothesis?
An educated guess that can be tested
What is a theory?
It is not a fact because it cannot be observed, but has not been found to be untrue
What is a law?
A descriptive generalization about how some aspect of the natural world behaves under stated circumstances