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Life Functions

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Life functions and characteristics of life
rockstar1514 *
Quiz by rockstar1514 *, updated more than 1 year ago
rockstar1514 *
Created by rockstar1514 * over 7 years ago
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Resource summary

Question 1

Question
What are the characteristics of living things?
Answer
  • made up of cells
  • do not reproduce
  • contain DNA
  • growth and developement
  • obtain and use materials; use energy
  • dont respond to their environment
  • do not maintain homeostasis
  • as a group, living things evolve

Question 2

Question
What is a life function?
Answer
  • a process that an organism carries out to survive
  • processes that an organism carries out in order to survive
  • the processes that dont help an organism survive

Question 3

Question
The process by which living things [blank_start]ingest[blank_end] and [blank_start]digest[blank_end] materials from its environment for growth and repair is called [blank_start]digestion[blank_end].
Answer
  • ingest
  • digest
  • digestion

Question 4

Question
What happens to materials that cannot be digested by organisms?
Answer
  • the organism throws up
  • the materials remain inside
  • the materials are egested

Question 5

Question
What is autotrophic nutrition?
Answer
  • a living thing creates its own food
  • a living thing competes for its own food
  • a living thing hunts for its own food
  • a living thing does not ingest food

Question 6

Question
How do heterotrophic living things eat?
Answer
  • by obtaining energy from the sun
  • creating its own food
  • eats nothing
  • ingests its own food

Question 7

Question
Transport is the process by which substances enter (absorption) and leave the cells and become more distributed (circulated) within the cells.
Answer
  • True
  • False

Question 8

Question
Respiration turns nutrients to energy.
Answer
  • True
  • False

Question 9

Question
The process of releasing chemical energy stored in nutrients is called
Answer
  • metabolism
  • synthesis
  • dehydration
  • respiration

Question 10

Question
Respiration does not convert the chemical energy into a usable form called ATP.
Answer
  • True
  • False

Question 11

Question
What is aerobic respiration?
Answer
  • does not require oxygen for chemical reactions during the function of respiration to occur
  • requires oxygen for chemical reactions during the function of respiration to occur

Question 12

Question
What is anaerobic respiration?
Answer
  • requires oxygen for chemical reactions during the function of respiration to occur
  • does not require oxygen for chemical reactions during the function of respiration to occur

Question 13

Question
The removal of wastes that are not produced by many chemical reactions occurring in the body is called excretion.
Answer
  • True
  • False

Question 14

Question
Reproduction is the process by which living things produce new organisms of their kind.
Answer
  • True
  • False

Question 15

Question
Its mandatory for an organism to reproduce otherwise it will die.
Answer
  • True
  • False

Question 16

Question
What is sexual reproduction?
Answer
  • two parents involved and the offspring are not identical
  • a single individual produces offspring that are identical to that parent

Question 17

Question
What is asexual reproduction?
Answer
  • a single individual produces offspring that are identical to that parent
  • two parents are involved and the offspring are not identical

Question 18

Question
Growth is the process by which organisms increase in size.
Answer
  • True
  • False

Question 19

Question
In unicellular organisms, the size of the cell [blank_start]increases[blank_end]. In [blank_start]multicellular[blank_end] organisms, the size and the number of [blank_start]cells[blank_end] increase.
Answer
  • increases
  • decreases
  • multicellular
  • cells

Question 20

Question
Development is the changes an organism goes through in their life time.
Answer
  • True
  • False

Question 21

Question
__________________ is the process of combining simple substances to make more complex substances that the organism needs.
Answer
  • synthesis
  • regulation
  • metabolism

Question 22

Question
What includes all of the activities that help to maintain an organisms stability?
Answer
  • regulation
  • reproduction
  • respiration
  • synthesis

Question 23

Question
Homeostasis is when an organisms internal environment remains constant.
Answer
  • True
  • False

Question 24

Question
What are stimuli?
Answer
  • noises in the environment
  • effects of a cause
  • changes in environment

Question 25

Question
Which two systems carry out regulation in complex animals?
Answer
  • skeletal
  • ciculatory
  • nervous
  • endocrine
  • none of the above

Question 26

Question
Metabolism refers to all chemical reactions occurring within the cells of an organism.
Answer
  • True
  • False
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