Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology > Ch.0-1 The Universe And Basic Science > Flashcards

Ch.0-1 The Universe And Basic Science Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
0
Q

How are small stars different from massive stars?

A

-When a star is smaller they have a lower fusion rate, and longer lives. -massive stars develope an iron core, whereas small stars don’t even develope a helium core.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

What is the Big Bang?

A

The current model used to explain the early developement of the universe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the Doppler effect?

A

The change of frequency of a wave for an observer moving to its relative source.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What direction are galaxies moving in relation to us?

A

Other galaxies are moving away from us because the red light is moving away from us.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Mr. Coppens told you that objects in the galaxy are moving away from each other very quickly, but their actual speed is very slow…how can this be?

A

Because we can’t actually see the light, but we can hear the radio waves.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is a qualitive observation?

A

Involve characteristics that cannot be easily measured or counted. It uses the five senses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a quantitive observation?

A

It involves measurements and numbers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the steps of the scientific method?

A
  1. Observe and ask questions
  2. Infer and Form a hypothesis
  3. Design a controlled experiment
  4. Collect and analyze data
  5. Draw conclusions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is sexual reproduction?

A

Sexual reproduction- when 2 cells from 2 different organisms fuse in a process called fertilization to produce the first cell of a new organism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the advantage of sexual reproduction?

A

Genetic diversity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is asexual reproduction?

A

When the new organism has a single parent.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the advantage of asexual reproduction?

A

Faster and don’t have a second organism available.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Describe the characteristics that make up a living thing

A
  • Have cells
  • Able to reproduce
  • Grow and develope
  • Obtain and use materials and energy
  • Respond to their environment
  • Maintain a stable internal environment
  • Change over time
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the qualities of a scientist?

A
  • Curious
  • Skeptical
  • Open-minded
  • Creative
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why are hypotheses supported, but not proven true?

A

because, you can always have different experiments to prove your hypothesis wrong. Hypotheses can always change, and so can science so hypotheses can never be proven true.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Why is it important that scientists try to avoid bias?

A

Scientists want to try to avoid bias because, they don’t want their personal views/opinions getting in the way of them figuring out something about science.

16
Q

What is science?

A

An organized way of gathering and analyzing data of the natural world

17
Q

Scientific method

A

A way of doing experiments so that we can learn

18
Q

Hypothesis

A

A possible explanation to the question you formed

19
Q

What is a variable?

A

A factor in a experiment that can, or has the potential to change

20
Q

What is an independent variable?

A

The variable that is changed by the scientist

21
Q

What is a dependent variable?

A

The variable that changes due to the independent variable

22
Q

What is a control group?

A

The experimental set-up that is identical to the experimental group except for one independent variable.

23
Q

When an idea has been thoroughly tested and supported with a great deal of evidence it becomes a…

A

Scientific Theory

24
Q

Bias

A

Injecting personal ideas/views into the scientific process.

25
Q

What is Biology?

A

The science that seeks to understand the living world

26
Q

Cells are…

A

The smallest units of an organism that are considered to be alive

27
Q

The production of new organisms

A

Reproduction

28
Q

Do all organisms have the same DNA?

A

Yes!

29
Q

Autotroph

A

Get their energy by making their own food (plants)

30
Q

Heterotroph

A

Get their energy by eating food (animal)

31
Q

Metabolism

A

The combined reactions of breaking down materials and building materials

32
Q

Homeostasis

A

Process by which organisms maintain a relatively stable internal condition, or environment.

33
Q

What are some examples of homeostasis?

A

Heartbeat, breathing and blinking

34
Q

Evolution

A

Change in organisms over time

35
Q

What do stars begin as?

A

Large clouds of gas and dust (nebulae)

36
Q

What is the life cycle of a small star?

A
  1. Nebulae
  2. Protostar
  3. Main Sequence star
  4. Red giant
  5. Planetary nebulae
  6. White dwarf
  7. Black Dwarf
37
Q

Life cycle of a massive star

A
  1. Nebula
  2. Protostar
  3. Main Sequence star
  4. Red super giant
  5. Supernova
  6. Neutron star or black hole

Biology (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions