Biology Flashcards by Liz Schaner | Brainscape

Q

Independant Variable

A

factor being changed

- X axis

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Q

Cell Organization

A

at least one cell

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Q

Genus

A

always capitalized

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Q

Hierarchical Organization of Life

A

atoms
molecules
organelle
cells
tissues
organ
organ system
organism
population
community
ecosystem
biosphere

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Q

Communities

A

all living things in the same geographic location

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Q

5 Characteristics of Life

A

cellular organization
metabolism
homeostasis
growth and reproduction
heredity

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Q

Scientists recreated conditions of early atmosphere

A

Miller and Urey

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Q

Four Types of Eukaryotes

A

protist
plants
fungi
animals

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Q

Rattlesnake

A

apex of snake evolution

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Q

Growth and Reproduction

A

mitosis

2. meiosis

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Q

2 Primary Types of Living Organisms

A

prokaryote

2. eukaryote

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Q

6 Kingdoms

A

eubacteria
archaebacteria
protista
plantae
fungi
animalia

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Q

First Eukaryotes Appeared

A

1.5 bya

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Q

Dependent Variable

A

factor being affected by changing independent variable

- Y axis

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Q

Populations

A

same species in same geographic location

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Q

Evolution

A

happens at the species level

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Q

Archaebacteria

A

extreme conditions

Q

4 Tissue Types

A

muscle
connective
nervous
epithelial

Q

Amino Acids

A

non-living organic molecule

Q

Carolus Linnaeus

A

developed taxonomy

Q

Species

A

never capitalized

Q

Age of the Earth

A

4.5 bya

Q

Hypothesis

A

educated guess

- testable question

Q

Metabolism

A

process energy

Q

Primordial Soup

A

yielded building blocks for life

Q

Control Variable

A

factors being held constant for both control/ experimental group

Q

Homeostasis

A

stable internal environment

Q

Theories

A

to public: implies doubt

to science: certainty and unifying explanation

Q

Negative Feedback

A

stimulus one way, result the opposite

*temperature

Q

Life begins at this level

A

cells

Q

Two Types of Metabolism

A

cellular respiration

2. photosynthesis

Q

Taxonomy Order

A

domain
kingdom
phylum
class
order
family
genus
species

Q

Life First Appeared

A

3.5 bya

Q

Scientific Method

A

observation
hypothesis
experiment
reject/accept
conclusions and theories

Q

Trophic Level

A

feeding level

Q

Ocean Temps Dropped

A

3.8 bya

Q

What is Biology?

A

study of life

Q

3 Domains

A

archaea
bacteria
eukarya

Q

Laws

A

to public: can be broken (speeding)

to science: cannot be broken (gravity)

Q

Species Criteria

A

interbreed in nature

2. produce viable offspring

Q

Positive Feedback

A

stimulus and result go in same direction

*childbirth

Q

Atoms

A

cannot be broken down normally