The earth: Planet of Life
What is the smallest unit of life
Atom Level
Ex. C, H, O, N
What elements does water contain?
H2O
Hydrogen
Oxygen
Mention 3 examples of Unicellular organisms
Bacteria, protozoa, certain fungi, certain algae
Name an example of an interaction
Plants growing towards the light
An eagle catches prey
What is the science that classifies living things according to natural criteria?
Taxonomy
The presence of basic chemical elements creates...
Living things
What is the most important Bioelement?Why?
Carbon
Name two Multicellular ogranisms
Animals and plants
What are the two types of Reproduction? Give an example
Asexual (bacteria or yeast)
Sexual (human beings, animals)
What are our two natural criteria when classifying living things?
Objective
Discriminatory
What are the 6 important elements
C-carbon
H- hydrogen
O-oxygen
N- Nitrogen
P- Phosphorus
S- Sulfur
The elements that form living things are called...
Bioelements (primary elements)
What are our 2 types of cells
Prokaryotic cell
Eukaryotic Cell
Fill in the blank
Organisms need ______ and _______ to live and perpetuate their species.
Matter and energy
What is the Dichotomous key?
Allows us to recognize and classify species by means of description (which are discriminatory and objective)
What level of organism is a heart a part of?
Organ Level
What Biomolecule is found ONLY in living things? (hint: Main element is C)
Organic
What are our three Basic components (all cells have them)
Plasma membrane
Cytoplasm
Genetic Material (DNA)
What is an Autotroph?
Organism that takes in inorganic matter from their environment and transform it into organic matter.
What language origin do the Scientific names come from (Binomial nomenclature)
Latin
Name the 12 Levels of organization
Atom, Molecule, Organelle, Cell, Tissue, Organ Level, Organ System, Organism, Population, community, Ecosystem, Biosphere
What type of Biomolecule is found in living things and non-living things
Inorganic
What are the three key point of cell theory
- All living things are made of one or more cells
- cells are the basic unit of life
- All cells come from preexisting cells
What is a Heterotroph?
Organisms that take in organic matter from the environment. They feed on other living things or their remains
What are our 7 Taxonomic Categories?
Kindgom,phylum , class, order, family, Genus, Species