chapter 1 Flashcards Preview

Bio 100 > chapter 1 > Flashcards

Flashcards in chapter 1 Deck (55)
Loading flashcards...
1
Q

Science

A

Knowledge of natural world
based on knowledge and experiments
stuff that we know

2
Q

Nature

A

Everything in the universe except what humans have manufactured.

3
Q

Atoms

A

are fundamental building blocks of all substances, living and nonliving

4
Q

Molecules

A

Next level after atoms, they are when atoms form together

5
Q

Cell

A

the smallest unit of life that can survive and reproduce on its own, given information in DNA

6
Q

Organism

A

An individual that consist of one or more cells

7
Q

Population

A

A group of individuals of the same kind of organism, or species, living in a specified area.

8
Q

Community

A

consists of all populations of all species in a specified area

9
Q

Ecosystem

A

A community interacting with its physical and chemical environment

10
Q

Biosphere

A

Encompasses all regions of Earth’s crust, waters, and atmosphere in which organisms live

11
Q

Emergent property

A

Characteristic of a system that does not appear in any of its component parts.

12
Q

Energy

A

IS the capacity to do work

13
Q

Nutrient

A

Is a type of atom or molecule that has an essential role in growth and survival and that an organism cannot make for itself

14
Q

Producers

A

Acuire energy and simple raw material from environmental sources and make their own food.

15
Q

Photosynthesis

A

Plants using sunlight energy to make sugars from dioxide and water

16
Q

Consumers

A

Cannot make their own food.

17
Q

Receptor

A

A molecule or cellular structure that responds to a specific form of stimulation.

18
Q

Homoeostasis

A

Adjusting to change to keep organism alive

Maintaining a balance that a cell can handle

19
Q

DNA

A

Nucleic acid, signature molecule of life.

Heredity information

20
Q

Traits

A

Distinct features in individuals

21
Q

Inheritance

A

Transmission of DNA from parents to offsprings

By Asexual and Sexual reproduction

22
Q

Development

A

Transformation of the first cell of an individual to a new one

23
Q

Genus

A

Group of species that share a unique set of features.

24
Q

Single Celled Organism are

A

Bacteria and Archaeans, they are prokaryotic which is no nucleus
DNA stored in a single-stranded circular form

25
Q

Eukarya

A

has a nucleus

DNA stored in double-stranded helix, single or mutilcellular

26
Q

Fungi

A

Multi celled, usually mushrooms

27
Q

Plants

A

Multicelled species

28
Q

Animals

A

mutlicelled, consumers

Do NOT have a cell wall

29
Q

Mutations

A

changes in DNA

30
Q

Adaptive Trait

A

a vetter chance of surfing and passing its DNA to offspring than other individuals of the population

31
Q

Natural Selection

A

Differential survival and reproduction of individuals in a population that differ in the details of their heritable trait

32
Q

Evolution

A

Change in a line of descent

33
Q

Critical Thinking

A

judging information before accepting it

34
Q

Atomic Theory

A

All substance are composed of atoms

35
Q

Gravitation

A

Objects attract one another with a force that depends on their mass and how close together they are

36
Q

Cell theory

A

All organisms consist of one or more cells, the cell is the basic unit of life and all cells arise from existing cells

37
Q

Germ Theory

A

Microorganisms cause many diseases

38
Q

Plate Tectonics

A

Earth’s crust is cracked into pieces that move in relation to one another

39
Q

Evolution

A

Change occurs in ones of decent

40
Q

Control Group

A

“Eats regular potato chips”

41
Q

Experimental Group

A

“Eats lays potato chips”

42
Q

inductive reasoning

A

from specific to general

43
Q

deductive reasoning

A

from general to specific

44
Q

Variables Independent

A

set by experimenter

45
Q

variables dependent

A

outcome of manipulating independent variable

46
Q

Asexual

A

results in clone, one parent

47
Q

sexual

A

two parents

48
Q

unity

A

shared features

49
Q

diversity

A

heritable changes along the way

50
Q

external environment

A

temp, water

51
Q

internal environment

A

pH, comp of fluids inside

52
Q

Prokaryotes

A

Dna not contained in nucleus

53
Q

Genus and species are

A

italicized

54
Q

Bacteria

A

All single celled prokaryotic

55
Q

4 kingdoms

A

plants, animals, fungus, protista