Questions & Verified Answers | Guaranteed
Success
Biology
Ans: the study of living organisms and how they interact with their
environment
Ways of Studying Living Organisms
Ans: 1. Philosophical
2. Scientifically
a. through observation
b. asking questions
c. doing experiments
d. looking at results
Levels of Life (Big to Small)
,Ans: 1. Biosphere
2. Ecosystems
3. Communities
4. Populations
5. Organisms
Biosphere
Ans: everything on earth that has living organisms
Ecosystems
Ans: area of a defined environment with a certain collection of organisms
Communities
Ans: a group or organisms within the environment interacting with each other
and the environment; consists of 2 or more species
Populations
,Ans: group of organisms living within the bounds of a specified area
Organisms
Ans: Individual living things
Aspects of Living Organisms
Ans: 1. Order
2. Regulation
3. Energy Processing
4. Growth and Development
5.Reproduction
6. Response to the Environment
7. Evolutionary Adaption
Themes of Biology
Ans: 1. Evolution
2. Cell Theory
, 3. Genetics
4. Homeostasis
Evolution
Ans: - Makes sense of everything we know about living organisms -
organisms living on earth are modified based on change at DNA level
- DNA changes randomly through mutation
- Mutations are always occurring
- Selective mutation - selects changes
- Organisms that survive adapt mutations that are seen in the next generation
Cell Theory
Ans: - The cell is the lowest level of organization that can perform activities
required for life
All cells:
- membranes