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1.1/1.2 Intro to biology Flashcards | StudBud
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1.1/1.2 Intro to biology
1.1/1.2 Intro to biology
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1
Organisms rely on both negative feedback and behavior to maintain
Ecosystems
Adaptations
Homeostasis
Evolution
2
Science has limitations because-
What actual science is, is hard to determine.
some experiments can't be repeated so they should be disregarded
it can only explain things that are scientifically testable
It can only make decisions on moral judgements
3
Organisms use energy for all chemical processes. Together these processes are called?
homeostasis
metabolism
negative feedback
adaptation
4
At all levels of life, when related parts interact to form a whole, they form a
Biosphere
Species
Cell
System
5
The human body works to keeps the blood within a certain pH range. This is an example of
digestion
respiration
synthesis
homeostasis
6
When a duck dives into cold water its capillaries constrict and move below the surface of the skin. This is a example of
synthesis
excretion
homeostasis
respiration
7
Which of the following statements is true of the many parts of the biosphere?
Each part is isolated from the others.
Each part includes saltwater
Each part is completely unique.
Each part is connected to all others.
8
Feedback interactions are important in the human body because they
keep the internal body environment within its normal range
process single stranded nucleic acids into double stranded
direct the synthesis of altered genes that are passed on to all other cells
regulates the shape of molecules involved in cellular communication
9
The various parts of Earth's biosphere are connected and
Nonliving
Diverse
Aquatic
Similar
10
Which of the following is a feedback mechanism that allows an animals to maintain internal temperature or homeostasis?
a bird singing
a cat hunting
a dog panting
a fish swimming
11
As new technology is created, models are sometimes changed. Why?
New technology may uncover more indepth or accurate information
Previous experiments from the past are not considered important
Science only allows certain areas to be studied , changes are based on this
As the world changes so do scientific beliefs
12
Which of these characteristics are shared by all living things?
They make their own chemical energy
They reproduce when 1 cell divides into 2
They are made up of 1 or more cells
They have similar responses to light
13
Put these levels of organization from least complex to most complex.
organ systems, organs, tissues, cells
cells, tissues, organs, organ systems
cells, organs, tissues, organ systems
cells, tissues, organ systems, organs
14
All the chemical processes used to build up or break down materials is called an organism's
Homeostasis
Metabolism
Adaptations
Stimuli
15
Food provides the human body with all the following except-
water
nutrients
oxygen
calories
16
How do plant and animal cells similarly maintain homeostasis?
Both extract energy, plants from photosynthesis, animals from food
Both absorb CO2 for cellular respiration
both extract energy through photsynthesis, but use different organelles
both form walls of cellulose to protect their cells
17
The variety of life across a biosphere is called
Homeostasis
Biodiversity
Ecology
Genomics
18
Which of the following best describes science?
The continual testing of hypothesis
Knowledge obtained by observations and testable explainations.
The study of living things.
Conducting experiments in labratories.
19
Exploring how indoor air pollutants lead to respiratory problems is an example of using biology to
Monitor global change
Make ethical decisions
Improve human health
Develop biotechnology
20
On Earth, biodiversity increases from the
poles to the equator
north to south
equator to the rainforest
east to west
21
Similar organisms that can reproduce by breeding belong to the same
Ecosystem
Species
Environment
Habitat
22
Science has limitations because-
It can only make decisions on how to apply science
it cannot explain things outside of science, b/c it is not testable
investigations that don't reach a firm conclusion are useless
It can only make decisions regarding moral judgements people deal with
23
Panting by dogs helps maintain homeostasis by getting rid of excess
toxins
oxygen
heat
salts