review Questions Answered Correct
2026 Updated.
define biology - Answer scientific study of life
know 7 features common to all living things - Answer 1. living adapt/change to living
conditions
2. living things respond to the environment
3. reproduction
4. growth and development
5. energy processing
6. regulation
7. order
what are the levels of the organization of life? describe them (top -> down) - Answer 1. the
biosphere
- the portion of earth inhabited by life
2. ecosystems
-living and nonliving components in a particular area
3. communities
- all the living organisms in an ecosystem
4. populations
-a localized group of individuals of one species
5. organisms
- an individual living entity
6. organs
-composed of several types of tissues
7. tissues
- a group of cells with a common structure and function
8. cells
, - a cluster of atoms held together by chemical bonds
what is meant by emergent properties - Answer a result of the arrangement and interaction
of parts within a system
describe energy flow through an ecosystem (producers, consumers, decomposers) - Answer
producers- plants and other photosynthetic organisms
consumers- eat plants and other animals
decomposers- recyclers, break down organic matter into simple nutrients plants can absorb
what is the role of structure and function - Answer structure dictates function
-birds way their bones are light (structure), allows them to be able to fly (function)
what makes up chromosomes. Genes? What do they do? - Answer -chromosomes contain
most of a cells genetic material in the form of DNA (deoxyribonucleic acid)
-genes are the units of inheritance that transmit information from parents to offspring
-DNA is the substance of genes
define gene expression - Answer is the process of converting information from gene to
cellular product
what is genomics? define genome - Answer genome- is its entire set of genetic instructions
genomics- the study of all genes (DNA) for a specific organisms
describe negate and positive feedback - Answer negative- means that as more of a product
accumulates, the process that creates it slows and less of the product is produced
positive- means that as more of a product accumulates, the process that creates it speeds up
and more of the product is produced
what is the core theme of biology - Answer evolution! it explains that divinity in organisms
that we see on earth right now and everything around you