Download UNIDAD EDUCATIVA PARTICULAR ECOMUNDO WORKSHEET

UNIDAD EDUCATIVA PARTICULAR ECOMUNDO
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WORKSHEET – IITERM – U3
SUBJECT: Science
GRADE: 9th. Basic
SECTION: A – B – C – D
ACADEMIC YEAR: 2014 – 2015
TEACHER: Lic. Leonila Andrade/Mr. Carlos Quinonez
NAME: _______________________________ DATE: __________________
1) VOCABULARY. Choose the correct word for the meaning.
producers
seed
pollen
chlorophyll
a. – A green pigment that captures energy from sunlight.
__________________
b. – Make their own food by using energy from their surroundings. __________________
c. – A plant embryo that is enclosed in a protective coat.
d.–The
tiny
granules
_________________
that
contain
the
___________________
male
gametophyte
of
seed
plants
2) Choose the correct word for the meaning.
producers
seed
angiosperm
pollination
pistil
tropism
responses
dormant
a. – The female reproductive part of a flower that produces seeds.
______________
b. – The transfer of pollen from the male reproductive structures to the female structures of seed
plants __________________
c. – Growth of all or part of an organism in response to an external stimulus, such as light.
___________________
d.– Describes the inactive state of a seed or other plant when conditions are unfavorable to growth.
_________________
e – A _______________ is a plant organ that consists of an embryo, tissues, and a protective
coating.
f – Plants are called __________________ because they can make their own food using
photosynthesis.
g – Vascular plants that have seeds surrounded by fruit are called ______________
h.– Growth, wilting, and dormancy are examples of plant ________________
3) Introduction to plants. Complete the following statement..
a.- What are the characteristics of plants?
They are Multicellular Eukaryotes, They have a two-stage life cycle,
They have…………………………………………………………………….…
They make …………………………………………………………………….
b.- How are seedless vascular plants classified?
Ferns and Whisk Ferns - ……………………………… - ….…………….
4) Seeds of success. Answer the following questions.
a.- What characteristics do all plants share?
…………………………………………………………………………………………………………….
…………………………………………………………………………………………………………….
b.- What is the importance of having a vascular system?
…………………………………………………………………………………………………………….
…………………………………………………………………………………………………………….
c. With a picture explain how flowering plants reproduce.
3) Compare. In the table below, compare the functions of the three parts of the plants.
Roots………………………………………………………………………………………
………………………………………………………………………………………………………………
Stems…………………………………………………………………………………………………………….
.…………………………………………………………………………………………………
Leaves……………………………………………………………………………………………..
4) Compare. In the table below, compare seedless nonvascular plants to seedless vascular
plants. How are they similar and different?
Seedless nonvascular plants……………………………………………………………………………
………………………………………………………………………………………………………………
Seedless vascular plants……………………………………………………………………………..…
……………………………………………………………………………………………………….……..
Differences:
………………………………………………………………………………………………………………
Gymnosperms ……………………………………………………………………………
………………………………………………………………………………………………………………
Angiosperms……………………………………………………………………………..…
……………………………………………………………………………………………………….……..
4. List. Provide three examples of asexual and sexual plant structures.
ASEXUAL
SEXUAL
a.- …………………………………………….
A. ………………………………………………
b.- …………………………………………….
B. ………………………………………………
c.- …………………………………………….
C. ………………………………………………
5. Plant processes. Answer the questions.
a) Explain what a plant produces in each of the two parts of its life cycle?.........................
………………………………………………………………………………………………………
b) What are two ways in which photosynthesis is important? ………………………………..
……………………………………………………………………………………………………..
c) How do plants obtain and use energy? …………………………………………………….
……………………………………………………………………………………………………..
d) How do flowering plants reproduce? ……………………………………….........................
………………………………………………………………………………………………………
e) Describe the roles of chloroplasts and chlorophyll in photosynthesis.
……………………………………………………………………………………………………..
……………………………………………………………………………………………………….
f) What characteristics do all plants share? …………………………………………………….
……………………………………………………………………………………………………..
g) How are see plants classified?
…………………………………………………………………………………………………………….
…………………………………………………………………………………………………………….
h) What are the two main groups of plants? Explain one of them.
…………………………………………………………………………………………………………….
…………………………………………………………………………………………………………….
4. Action, Reaction. What are the three ways plants respond to their environment?
a.- By …………………………………………….
b.- By…………………………………………….
c.- By…………………………………………….
INFER. Why are plants stomata usually open during the day?
…………………………………………………………………………………………………………………
5. Plant processes. Complete the main concepts, circle the correct word.
a) Photosynthesis takes place in chloroplasts / mitochondria, which contain chlorophyll.
b) Photosynthesis / cellular respiration releases the energy stored in food and produces carbon
dioxide and water.
c) Some plants use plantlets, tubers, or runners to reproduce sexually /asexually.
d) A stamen / state is the male reproductive structure of flowers.