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Biology-5 > Chapter 1 > Flashcards

Chapter 1 Flashcards

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1
Q

What is the order of organisms small to large

A

Atom
Cells
Tissue
Organ
Organ system
Organism
Species
Populations
Community
Ecosystem
Biosphere

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2
Q

What is the order of organisms from large to small?

A

Biosphere
Ecosystem
Community
Populations
Species
Organism
Organ system
Organ
Tissue
Cell
Atom

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3
Q

What is an Atom

A

join to form molecules which end up making cells

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4
Q

What are Cells

A

smallest structural and function unit of organism

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5
Q

What is a single cellular

A

one-celled or a single-cell

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6
Q

what is a multicellular

A

many-celled or multicell

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7
Q

What is tissue

A

a group of similar cells that perform a particle function

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8
Q

What is an organ

A

made up of several types of tissue

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9
Q

What is an organ system

A

group of organs that work together to accomplish a common purpose

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10
Q

What is an organisms

A

a collection of organ systems, for example: human

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11
Q

What is a species

A

a group of interbreeding organisms

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12
Q

What is a population

A

the members of one species in particular

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13
Q

What is a community

A

interacting population

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14
Q

What is an ecosystem

A

community of population interacts with the physical environment

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15
Q

what is biosphere

A

all of Earth ecosystem

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16
Q

All life needs

A

energy the capacity to do work

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17
Q

How do human gets food

A

metabolism

18
Q

What does the metabolism

A

chemical reaction that occurs within a cell

19
Q

What is Homeostasis

A

a constant internal environment ( body temperature 97.7-99.5F)

20
Q

What does homeostasis need

A

respond to stimuli internal and external

21
Q

what are external stimuli

A

changes outside the body ( removing one hand from a hot stove

22
Q

What are internal stimuli

A

changes to conditions inside the body ( high blood pressure

23
Q

What happens when organisms reproduce

A

passed down the genetic information to next generation

24
Q

What happens to fertilized eggs and sperm

A

makes zygote which then helps rapid growth and development

25
Q

When growth happens what happens

A

increase in size and most of the time, the number of cells too

26
Q

What happens in the development

A

always changing from fertilization until death growing and healing

27
Q

Genes can cause

A

mutations good or bad like environmental changes or cancer

27
Q

What does DNA stand for

A

Deoxyribonucleic acid

28
Q

What is the Evolution

A

The process by which a population changes over time

29
Q

What is Natural selection

A

new variation occurs that allows organisms to capture more resources, those individuals have more offspring

30
Q

What is Adaptation

A

population has more individuals with advantageous variation

31
Q

What does all domain of life belong to

A

Bacteria, Archaea, Eukarya

32
Q

What do Bacteria and Archaea have

A

Prokaryotic cells, single-celled organisms, Lack a nucleus, Various shapes, Adaptations to all environment

33
Q

What is a domain Eukarya

A

contains nucleus, some singled celled, Some are multicellular ( like humans)

34
Q

What are the for Kingdoms of Domain Eukarya

A

Plants, Fungi, animals,protists

35
Q

What are plants Domain Eukarya?

A

Multicellular and photosynthetic organisms

36
Q

What are Fungi Domain Eukarya

A

helps decompose dead organisms

37
Q

What are Domain Eukarya Animals

A

Multicellular organisms ingest

38
Q

what is Domain Eukarya Protists

A

Use photosynthesis ( for food) Example Algae

39
Q

How is Biodiversity Threatened

A

Human Activities
Pollution
Invasive species
Climate change
Habitat loss

Biology-5 (3 decks)

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