Science 2024 final Flashcards

1
Q

Theory of Evolution

A

organisms change over time to best suit their environment

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2
Q

species

A

can reproduce with each other, and they look alike

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3
Q

extinct

A

(within the family) no more living members.

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4
Q

adaptations

A

physical traits that allow organisms to survive in specific environments

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5
Q

mutations

A

can change their adaptations

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6
Q

DNA

A

self-replicating material that is present in almost all organisms

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7
Q

benificial

A

for the better/ resulting in good

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8
Q

detrimental

A

tending to cause bad/harm

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9
Q

fossils

A

the bone remains of a prehistoric organism

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10
Q

body fossils

A

parts of organism bodies (skin, bones, teeth, leaves, bark, wood)

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11
Q

trace fossils

A

a fossils footprint, trail, bodily liquids, burrow, or something left by the organism that isn’t the organism itself

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12
Q

the fossil record

A

the history of life as documented by fossils

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13
Q

homologous structures

A

bones that are very similar in different species

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14
Q

homo habilis

A

“handy man” he was the first to create tools from stones and sticks

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15
Q

homo erectus

A

first of its kind to stand up straight, and the first to leave africa. they built rafts, fished, wove baskets, and they also mated with neandrithals.

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16
Q

homo neandrithals

A

they were thick and muscular, used specialized tools to hunt, AND controlled fire.

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17
Q

Charles Darwin

A

naturalist and architect to was on the HMS Beagle and discovered the Theory of Evolution by Natural Selection while there.

18
Q

naturalist

A

master of natural history

19
Q

HMS Beagle

A

a ship that cruised the coast of South America for 4 years.

20
Q

Galapagos islands

A

the island that the The theory of Evolution was founded by Darwin, which is known for its huge tortoises.

21
Q

The Theory of Natural Selection

A

heritable traits that help organisms survive and reproduce become more common in a population over time.

22
Q

The Origin of the
Species

A

a book, written by Charles Darwin, which explains that populations evolve over a long period of time, and they become more common as a species.

23
Q

Jean Lamark

A

he was a French naturalist who created The Theory of Inheritance of Acquired Characteristics.

24
Q

Survival of the
Fittest

A

this States that the organisms with the best genetics will live, and the rest die.

25
Q

Anthropology

A

This is the study of humans and their evolution.

26
Q

Sahelanthropus

A

small brain, ape like, lived in trees

27
Q

chimpanzees

A

small brain, ape like, has opposable thumbs, “great ape”, lived in trees.

28
Q

Australopithecine

A

small brain, more human-like features walked upright, lived in trees.

29
Q

homo habilis

A

“handy man” made tools, rafts, wove, used more complex stone and stick tools.

30
Q

Homo erectus

A

walked upright, larger brain, longest living human species, first to live outside of africa, made and used hammers, knives, ect.

31
Q

Homo neanderthalis

A

larger brain, human movements, walked upright, traveled a lot, made cutting tools to skin and kill animals for meat and clothing. mated with other humans, very muscular.

32
Q

Homo sapiens

A

larger brain, walked upright, traveled a lot, made baskets and rafts, mated with neandrathols,

33
Q

cro-magnum man

A

larger brain, lived in france, lived in comuntities, used chisels, shaping tools, made a language, most human-like

34
Q

What is the difference between a living,
nonliving, and dead organisms?

A

living- is currently alive
nonliving- never lived
dead organisms- used to be alive, but are now dead

35
Q

What characteristics define a living organism?

A

reproduction, growth, using energy, adaptation,

36
Q

What resources must organisms have to survive?

A

sunlight, habitat, water, air, food

37
Q

What contributions did Robert Hooke make to the
discovery of the cell?

A

when he studied the fungus on a cork he help contribute to the cell theory

38
Q

What is the Cell Theory?

A

all the plants and animals are composed of cells and the cell is the basic unit of life.

39
Q

What organelles are only present in plant cells?

A

chloroplast, cell wall and a vacuole

40
Q

How do the shapes of plant and animal cells
differ?

A

A plant cell has a square or rectangular shape while the animal cells have an irregular or round shape.

41
Q
A