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
Define/Explain the following terms.
Objective (refer to criteria)
they don't depend on the person who is carrying out the classification
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)
Define/Explain the following terms.
Discriminatory (refer to criteria)
the characteristics chosen to establish the groups are common to some living things, but not all of them
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.
Name the organic biomolecules.
Carbohydrates, lipids, proteins and nucleic acids
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
Name 1 organelle or structure that is exclusive to animal cells, 2 of plant cells, and 3 that are common to both.
Animals; centrioles, lysosomes
Plants: cell wall, chloroplast, vacuole
Both: nucleus, ribosomes, mitochondria, endoplasmatic reticulum, Golgi apparatus.
What is a Heterotroph?
Organisms that take in organic matter from the environment. They feed on other living things or their remains
Do you think the greenhouse effect is beneficial or harmful to the planet? Explain your answer.
The natural greenhouse effect is good because it allows there to be mild temperatures on Earth, but the bad thing is the increase in the greenhouse effect caused by human beings