Bio11- Unit 1

studied byStudied by 10 people
0.0(0)
get a hint
hint
<p>What do all organisms need to survive? (5)</p>

What do all organisms need to survive? (5)

1 / 223

Tags and Description

The Needs & Characteristics of Living Things. WBOT= Will be on test

224 Terms

1
<p>What do all organisms need to survive? (5)</p>

What do all organisms need to survive? (5)

Hint: COWNS

Water, nutrients, space to live, oxygen, and C02

New cards
2

What does water help organisms with?

Do cellular activity (ex. DNA replication, cell division, etc.)

New cards
3

What do can some organisms survive without?

Sunlight

New cards
4

Are plants considered organisms?

Yes!

New cards
5

What is an organism?

An individual animal, plant, or single-celled life form

<p>An individual animal, plant, or single-celled life form</p>
New cards
6

Do plants still need to make nutrients, because they already make their own food through photosynthesis?

Yes.

New cards
7

What purpose do nutrients give the organism?

What they need to grow!!!

<p>What they need to grow!!!</p>
New cards
8

What can organisms be?

Autotrophs (producers), and heterotrophs (consumers)

New cards
9

What are some examples of autotrophs (producers)

Plants, and some bacteria

New cards
10

What are some examples of heterotrophs (consumers)

Carnivores (eats animals)

Herbivores (eats plants)

Omnivores (eats plants and animals)

New cards
11

What is autotrophs?

Producers.

(auto-matically make food for themselves)

<p>Producers.</p><p>(auto-matically make food for themselves)</p>
New cards
12

What is heterotrophs?

Consumers

(I can only do hetero -- ONE THING -- which is eat what autotrophs produce)

<p>Consumers</p><p>(I can only do hetero -- ONE THING -- which is eat what autotrophs produce)</p>
New cards
13

Space to live provides organisms with…?:

A place where they can get food, water, and shelter

New cards
14

Organisms often ____ for space with other organisms?

FIGHT!!! COMPETE!!!

<p>FIGHT!!! COMPETE!!!</p>
New cards
15

What do plants need for photosynthesis?

Carbon dioxide

New cards
16

What do animals AND plants need oxygen for?

Cellular respiration

New cards
17

Do all organisms need air to live in environments, where air is unavailable?

Not all.

New cards
18

TRUE OR FALSE? All organisms are made of cells.

True! :)

New cards
19

TRUE OR FALSE? All organisms do not contain homeostasis

False

New cards
20

TRUE OR FALSE? All organisms obtain and use energy

True!

New cards
21

TRUE OR FALSE? All organisms do not reproduce

False

New cards
22

TRUE OR FALSE? All organisms pass their traits to offspring.

True

New cards
23

TRUE OR FALSE? All organisms don’t grow.

Wth. False!

<p>Wth. False!</p>
New cards
24

TRUE OR FALSE? All organisms respond to changes in their environment.

True!

New cards
25

TRUE OR FALSE? All organisms change over time as a species.

True

<p>True</p>
New cards
26

All organisms have these characteristics…(8)

Hint: Birds CHERP and it went GRC. I was surprised.

Change over time as a species

maintain Homeostasis

obtain and use Energy

Reproduce

Pass traits to offspring

Grow

Respond to changes in their environment

are made of Cells

New cards
27

Are all organisms made of cells?

Yeah

New cards
28

Types of cells that organisms are made of

Unicellular and multicellular

New cards
29

What’s unicellular cell?

Simple

Single cell.

Ex. bacteria

New cards
30

What is multicellular?

Complex

Made of many cells

(Ex. animals, plants)

New cards
31

All organisms can maintain homeostasis. Define homeostasis

Ability to maintain ideal internal temperature in response to environmental changes

New cards
32

What are examples of homeostasis in humans?

In hot conditions, we sweat to cool off

In cold conditions, we shiver to stay warm

<p>In hot conditions, we sweat to cool off</p><p>In cold conditions, we shiver to stay warm</p>
New cards
33

For our bodies to function properly, we need to be in ________

Homeostasis

New cards
34

TRUE OR FALSE?

All organisms do not use energy.

False bruddah

New cards
35

What’s the cell’s energy currency?

ATP (adenosine triphosphate)

New cards
36

What does ATP do?

Hint: Daily fun and repairs or replaces damaged

Powers daily functions and repair/replaces damaged cells

<p>Powers daily functions and repair/replaces damaged cells</p>
New cards
37

What does ATP stand for? (WILL BE ON TEST!)

Adenosine triphosphate

New cards
38

True or false? Organisms can reproduce

Yes duh

New cards
39

Define sexual reproduction

Two parents produce offspring w/ different genes

New cards
40

Define asexual reproduction

Single parents produces offspring identical to parent (clone)

New cards
41

How do organisms grow?

Hint: isn

Cells increase in size or number

New cards
42

How do organisms pass traits to their offspring?

Traits r passed on thru genes found in the DNA (deoxyribonucleic acid)

New cards
43

When do organisms pass traits to offspring?

Asexual or sexual reproduction

New cards
44

TRUE OR FALSE:

Bacteria are unicellular therefore they cannot grow.

False.

Because bacteria, which is an organism, can grow larger.

(Remember ALL organisms GROW!)

New cards
45

Define stimulus

Any activity that brings a response

<p>Any <mark data-color="red"><strong>activity</strong></mark> that brings a <mark data-color="red"><strong>response</strong></mark></p>
New cards
46

What are examples of INTERNAL stimulus

Hunger (stimulus) → tells u to eat (response)

Thirst (stimulus) → tells u to drink wota (response)

New cards
47

Examples of EXTERNAL stimulus (WILL BE ON THE TEST!!)

Light (stimulus) → tells u to stay awake (response)

Sound (stimulus) → tells u to be aware of ur surroundings (response)

New cards
48

How do all organisms, as a species, change over time?

Natural selection

New cards
49

Can individuals evolve?

No, only populations can

New cards
50

What is the smallest unit of life?

Cells

New cards
51

What type of cell is fat tissue made of? (This is a check-in question)

Fat cells

New cards
52

What are muscles also known as?

Tissues

New cards
53

Can all tissues be muscles

Not all

New cards
54

TRUE OR FALSE? Specialized cells carry out specific function

True! :D

New cards
55

Can organisms be unicellular, which means that they have no cell specialization?

Ofc.

New cards
56

Define organs

Tissues that are organized into larger structures w/ one main function

New cards
57

What are examples of tissues that are organized into larger structures with one main function?

Organs:

Lungs, heart, brain, liver, kidney

New cards
58

How many kind(s) of tissue are organs made of?

Multiple!

New cards
59

What’s an organ system?

Groups of organs that have related functions

New cards
60

The cardiovascular system is made of _______

organs

New cards
61

Your heart is made of what tissue(s)?

a) epithelial tissue

b) connective tissue

c) nervous tissue

d) muscular tissue

e) all of the above

e. The heart are made of multiple tissues.

New cards
62

What’s an atom?

An atom is the smallest unit of matter

New cards
63
<p>What is considered non-living and living?</p>

What is considered non-living and living?

Anything before the cell is non-living, and whatever is after that (including the cell) is living

New cards
64

What is a cell?

Smallest unit of life, that has all the characteristics of living things

New cards
65

What is a cell? pt.2

Specialized cells to carry out specific functions

Ex. muscle cells, epithelial cells, fat cells

New cards
66

What are tissues?

Groups of cells that are similar in shape and function

Ex. Epithelial tissue: skin that covers the outside surface of your body

New cards
67

What are organs?

Tissues that are organized into larger structures that have one function

Ex. heart pumps blood thru ur body

New cards
68

What are organs systems?

Groups of organs that have related functions

Ex. circulatory system includes the heart, veins, etc

New cards
69

TRUE OR FALSE? (Check-in question)

A cell that lines your small intestine will have a different structure and function from a cell that lines your nostrils

True obv

New cards
70

What are prokaryotes?

Simple, unicellular organisms

Has no membrane-bound organelles (no nucleus.. no ribosome)

All prokaryotes are bacteria (but not all bacteria are unicellular!)

New cards
71

TRUE OR FALSE?

Is all bacteria unicellular organisms?

False. Bacteria is most commonly unicellular but not ALWAYS. Ex. cyanobacteria

New cards
72

What are eukaryotes?

Complex organisms (most living things r eukaryotes)

Can be unicellular/ multicellular

Contains organelles surrounding membranes (including nucleus)

New cards
73

Check in question

U find a mystery unicellular organism under your microscope. You notice it’s membrane-bound organelles. What type of organism is it?

A) Eukaryote

B) Prokaryote

C) It’s not an organism

A. “Membrane-bound”

New cards
74

What’s a unicellular organism?

Has only one cell

Can be a prokaryote (bacteria) or a eukaryote

Carries out all functions required to maintain life of organism

NO cell specialization

New cards
75

Check in question

U find a mystery unicellular organism under your microscope. What MUST be true about this organism?

A) It’s a bacteria cell

B) It’s a eukaryote

C) It’s a prokaryote

D) It has no cell specialization

D.

<p>D.</p>
New cards
76

What is a multicellular organism?

Made of more than one cell

Cells develop differently thru cell differentiation so they have dif appearances that suit their functions

They have cell specialization because of cellular differentiation

New cards
77

What’s cell differentiation?

The PROCESS of cells developing differently

Result of gene expression

New cards
78

What is cell specialization?

Cells specialized to perform certain functions

New cards
79

Check in question

A neuron cell and a smooth muscle cell look and function differently from each other, because of what process?

A) Cell differentiation

B) Cell specialization

C) Mutations in the DNA

A. It’s the process

New cards
80

What is a neuron/nerve cell

Sends info from one part of the body to another part

Very long et thin

New cards
81

What is a red blood cell

Shaped like flattened disks so they can easily flow thru blood vessels

Carries oxygen thru the body

Those with sickle cell anemia: sickle shaped red blood cells.

^Because of their change in appearance ability to carry oxygen is now negatively affected

New cards
82

What is a sperm cell

Fertilizes the egg cell

Strong tail for quick swimming, distinct head helps it enter the egg cell

New cards
83

What is gene expression

The process a gene is switched on or off, resulting in dif proteins being made

(ex. melanin switched off, it’s not in the heart)

New cards
84

Check in question

Which of the following cells share the same DNA (assume they all from ur body)

A) Connective tissue cell and white blood cell

B) Epithelial cell and intestinal cell

C) Red blood cell and smooth muscle cell

D) All of the above

E) None of the above

D

New cards
85

TRUE OR FALSE:

Most cells in ur body have the same DNA

True!!! :D

New cards
86

TRUE OR FALSE:

Cells use only the DNA they need; the rest is inactive

True.

New cards
87

TRUE OR FALSE:

Skin cells use the DNA that codes for melanin (skin pigment that protects from UV light)

True

New cards
88

TRUE OR FALSE?

Heart cells don’t need melanin, so it is “turned off” in heart cells

Tru . Because it doesn’t need to be protected from the sun because it’s already protected by the rib cage

New cards
89

What are stem cells?

Cells that can become any cell in the body because they haven’t undergone cell differentiation yet

New cards
90

What can stem cells be used for?

Repair damaged organs and cure some diseases

New cards
91

What are current scientists still learning about stem cells?

How to regrow limbs using stem cells

New cards
92

What are the differences between prokaryotes and a eukaryotes (WBOT)

Prokaryote: No membrane-bound organelles

Eukaryote: Membrane-bound organelles

Prokaryote: Unicellular

Eukaryote: Multicellular/Unicellular

Prokaryote: Simple

Eukaryote: Complex

New cards
93

What are the differences between unicellular and multicellular organisms

(WBOT)

Unicellular organisms: Only 1 cell

Multicellular organisms: 1/+ cell

Unicellular organisms: No cell specialization=one cell need to do all the functions needed to maintain life of the organism

Multicellular organisms: Has cell specialization because of cell differentiation, and dif appearances that suit their function

New cards
94

What is the difference between cell differentiation and cell specialization?

Cell differentiation: The process cells develop differently

Cell specialization: Result of cell differentiation that cells r specialized to perform specific functions

New cards
95

Explain the process of cell differentiation in more detail

Stem cell changes into a more specific one (ex. turn into red blood cell)

New cards
96

Is an adaptation positive or negative to the organisms survival and reproductive ability in its environment?

Always positive.

New cards
97

What’s an adaptation of a kangaroo?

Powerful back legs that can jump long distances

<p>Powerful back legs that can jump long distances</p>
New cards
98

What’s an adaptation of a spider?

Can sense vibrations in the ground

<p>Can sense vibrations in the ground</p>
New cards
99

What’s an adaptation of a elephant?

Large tusks for defense

<p>Large tusks for defense</p>
New cards
100

What’s an adaptation of a cheetah?

Teeth designed for eating meat

<p>Teeth designed for eating meat</p>
New cards

Explore top notes

note Note
studied byStudied by 15 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 9 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 6 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 16 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 8 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 35 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 3 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 48 people
Updated ... ago
5.0 Stars(1)

Explore top flashcards

flashcards Flashcard27 terms
studied byStudied by 3 people
Updated ... ago
5.0 Stars(2)
flashcards Flashcard119 terms
studied byStudied by 10 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard225 terms
studied byStudied by 41 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard51 terms
studied byStudied by 12 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard44 terms
studied byStudied by 36 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard20 terms
studied byStudied by 1 person
Updated ... ago
5.0 Stars(1)
flashcards Flashcard190 terms
studied byStudied by 18 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard59 terms
studied byStudied by 60 people
Updated ... ago
5.0 Stars(5)