Questions and verified study solutions
What are the 5 characteristics of life? - ANSW-1. respond
2. Reproduce
3. Gross & Develop
4. Adaptations
5. Obtain & use energy
What is the lowest level of organization? - ANSW-Atomic of Molecular Level - As Molecules come
together and interact they form organelles or structures within the cell.
What are the 2 types of Cells? - ANSW-Single celled organisms & Multicellular organisms
What is the lowest level of life considered alive? - ANSW-Cell
How is an organ formed? - ANSW-When two or more tissues work together to perform a specific job.
What forms an organ system? - ANSW-When 2 or more organs and or structures work together to carry
out functions they form a organ system.
Define a population - ANSW-A population is a group of organizms of the same species living together in
one area
Define a community - ANSW-Different species living together in the same area
How can we refer to the ecosystem? - ANSW-The relationship between a community and its physical
enviorment.
Define Biome - ANSW-A Major division of the earths surface largely determined by climate but
characterized by the plants and animals inhabiting it.
What makes up the biosphere? - ANSW-All regions on the planet inhabited by organisms.
Where does all energy come from? - ANSW-The sun
What does light energy convert into? - ANSW-A Chemical energy form, such as starch or sugar by the
process of photosynthesis.
Plant eating organisms are known as? - ANSW-Herbivores
Meat eating organisms are known as? - ANSW-Carnivores
What is Metabolism? - ANSW-All the chemical reactions necessary to extract the enrgy stored in food
and the chemical reactions that use the energy released to perform the activites of life.
ATP stands for - ANSW-Adenosine Triphosphate - It is released in a special molecule during metabolism.
This Molecule is able to carry and transport the energy within the cell.
Define Homeostasis - ANSW-The abililty to maintain a relatively constand internal enviorment while the
external enviorment may change.
Give at least 3 examples of Homeostasis - ANSW-Body Temperature Maintaining 98.6
Childbirth Contractions
The body sweating in order to cool off.
State the levels of Bioloical organizations from Atoms---> Biosphere - ANSW-Atoms, Molecule, Cell,
Tissue, Organ, Organ System, Oganism, Population, Community, Ecosystem, Biosphere.