preguntas introduction

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Name: ___________ Lastname:___________ Class:________ Date:______________________________
LIVING THINGS
INTRODUCTION
1.- Complete the sentences with these words:
Interaction
born
die
biosphere
perform
reproduction
reproduce
a) The ____________________ is the part of Earth where we find living things.
b) Living things________________ the basic life processes of _____________, nutrition and
__________.
c) Life cycle: we are _______________, we grow, we ___________ and we _______________.
2.- Look at these information boxes and answer the questions.
a) With nutrition, living things take in nutrients. What are nutrients for?
b) What is the difference between heterotrophic and autotrophic nutrition?
c) What is the interaction process about?
d) Explain 2 differences between asexual and sexual reproduction with your words.
NUTRITION: When a living thing takes
in essential nutrients from his or her
Reproduction: When living things
environment, these nutrients give him
create members of their own species.
or her energy and help with growth and
development.
Interaction: When a living thing detects
-+
information in his or her environment
and reacts to that information.
NUTRITION
Hetereotroph
Organisms cannot make their own food.
Then, they obtain it from the autotrophs.
Autotroph
Organisms making
their own food.
ASEXUAL REPRODUCTION
SEXUAL REPRODUCTION
Single individual is the sole parent. (ONLY).
Two parents give rise to offspring. (descendants)
Single parent passes on all its genes to its offspring
Each person passes on half its genes to its
offspring.
Offspring are genetically identical to the parent.
Offspring have a UNIQUE combination of genes
inherited from both parents.
Results in a CLONE, or genetically identical
individual. Rearely, genetic differences occur as a
result of mutation, a change in DNA.
Results in greater genetic variation; offspring vary
genetically from their siblings and parents.
COMPLETE THE SENTENCES
Nutrition
reproduction
sentitivity=interaction
organisms
sensitivity
1.- All ______________________ have three essential life processes in common,
nutrition, sensitivity and reproduction.
2.- When organisms take nutrients from their environment and use them to
obtain energy for growth and other life processes, this is called
___________________________.
3.- When organisms detect changes in their surroundings and react, this is
called _________________________.
4.- When organisms make more organisms similar to themselves and when
individual cells make identical copies of themselves, this process is called
________________________________.
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