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28 terms

Chap1 The Scope of Biology

Chapter One test
STUDY
PLAY
Soil, Air, Water, Light
4 Non-living features found in the ecosystem
population
A group/herd/flock of similar living things found in an ecosystem.
cells
The basic units of all living things.
nucleus
The cell part that directs all the activities of a cell.
DNA
The chemical responsible for the passing of traits from parents to offspring.
Genes
The units of information found along the length of DNA.
species
The name biologists gave to a distinct form of life.
Domain
The broadest category of organisms.
Taxonomy
The branch of biology that is concerned with the study of classification.
3 Domains
Bacteria, Archaea, Eukarya
One
The number of cells that bacterium have.
Unicellular
Word that means, "one cell".
Prokayotic Cells
Cells that contain no nucleus.
4 Kingdoms of Eukarya Domain
protists, fungi, plants, and animals
True of all eukaryotic cells
They are all multicellular.
Cells
Thing that all organisms are made of.
Organ
When various tissues work together they form, what?
Photosynthesis
The process by which plants make their own food.
3 biological activities that require energy
Moving, thinking, keeping your heart beating
Producers
Organisms that make their own food.
Consumers
Organisms that must eat the food made by other organisms.
Heat
The form that organisms return energy back into the environment.
Homeostasis
The mechanism by which organisms regulate their internal environment.
Sweating and Shirvering
Examples of the homeostasis mechanism.
Adaption
An inherited trait that helps organisms survive and reproduce.
Live longer and constantly reproduce
Two ways in which adapt benefit organisms.
Yes
There is solid evidence of natural selection.
Stem cell, research and cloning
Two ethical issues that relate to biology with which society wrestles.