T.2. THE NUTRITION FUNCTION
Leonor María Cosano
T.2. THE NUTRITION FUNCTION.
1.- Match the words to their definition:
a.- Nutrient
1.- A process that moves air in and out of an organism.
b.- Breathing
2.- To produce their own food
c.- Autotrophic nutrition
3.- To feed on other living things
d.- Heterotrophic nutrition
4.- A chemical element that an organism needs to live
2.- Watch the following video about Autotrophs and Heterotrophs. Are the sentences True (T) or False (F)?
a.- Autotrophs produce their own food.
b.- Autotrophs get their energy directly from the Sun.
c.- Heterotrophs make sugar.
d.- Heterotrophs are very important in ecosystems.
e.- Heterotrophs can be herbivore, carnivore, algae and omnivore.
3.- Watch the following video and relate concepts from the previous activity:
PRODUCERS
HETEROTROPHS – HERBIVORES- OMNIVORES
PRIMARY CONSUMERS
HETEROTROPHS - PREDATORS
SECONDARY CONSUMERS
HETEROTROPHS – CARNIVORES – OMNIVORES
TERTIARY CONSUMERS
AUTOTROPHS
4.- Work in couples. The Student A has a list of words and the Student B has another list of words. The Student B must guess the words from his/her list.
STUDENT A:
1.- AUTOTROPHIC
2.- HETEROTROPHIC
3.- BREATHING
4.- SUBSTANCE DISTRIBUTION
5.- EXCRETION
STUDENT B:
A.- TAKE OXYGEN TO OBTAIN ENERGY
B.- NUTRIENTS GO TO ALL PARTS OF THE ORGANISM
C.- PLANTS AND ALGAE
D.- ELIMINATION OF WASTE PRODUCTS
E.- EAT OTHER LIVING THINGS
5.- Work in pairs. After doing the previous exercise you must classify the
following pictures into:
NUTRITION – BREATHING - SUBSTANCE DISTRIBUTION - CIRCULATION – EXCRETION
6.- Photosynthesis song: complete the lyrics.
If you want to _______ how a plant grows, it takes _______ and _____light and
make _________. Every ______ can do this, ___________ process, and you can call
it __________________. And like me and ____, plants need ______ and they make
________ to stops turning ______. It is a _________, how the clorophyl catches the
sunlight on the ________ of the plants and the ______.
We are not _____ so we can´t photosynthesize.
7.- Match the following expressions to their meaning and their pictures:
a.- xylem sap
b.- phloem sap
c.- root
d.- branches
e.- veins
f.- waste substances
g.- mytcondria
h.- chloroplasts
1.- RAMAS
2.- SUSTANCIAS DE DESECHO
3.- SAVIA BRUTA
4.- VASOS
5.- CLOROPLASTOS
6.- SAVIA ELABORADA
7.- MITOCONDRIA
8.- RAÍZ
8.- Gastrovascular cavities: sponges. Watch the following video about sponges and answer the
questions:
a.- Has a sponge got mouth?
b.- What is the colour of this sponge?
c.- How does the sponge eat?
d.- Has a sponge got teeth?
e.- What is the food of the sponges?
f.- What do men do to see how sponges eat? What happens?
9.- Watch the following video and choose the correct answer:
1.- Almost all fish breathe or get their oxygen from:
a.- air
b.- water
c.- air and water
2.- Fish breathe with organs called:
a.- gills
b.- lungs
c.- skin
3.- Fish have got:
a.- two pairs of gills
b.- five pairs of gills
c.- four pairs of gills
4.- To get oxygen:
a.- fish get water through the mouth
b.- fish get water through the gills
5.- In many fish the breathing process begins when:
a.- the mouth is closed and the gill covers is open
b.- the gill covers is closed and the mouth is open
10.- Work in pairs: Which kind of breathing have the following animals got?
11.- Are these sentences True (T) or False (F)?
1.- All the animals breathe with lungs
2.- Algae do photosynthesis
3.- Amphibians breathe through their body surface
4.- Autotrophic nutrition is more important than heterotrophic nutrition
5.- Lungs have got alveoli
6.- Photosynthesis takes oxygen and produces CO2
7.- Respiration takes oxygen and produces CO2
8.- Photosynthesis takes place 24 hours a day
9.- Respiration takes place at night
10.- Body surface respiration takes place in water and wet environments.