Grade 12 English Unit 12: Animal World (with Grammar Solutions)- Language Development

 

Reading

The Medusa and the Snail

What is Medusa? 

It is described as winged human females with living venomous snakes in place of hair. 

Working with words

A. Read the text and tick the best alternative to fill in the gaps.

a. Persons who are related to you and who live after you, such as your child or grandchild are called ……..

i. relatives ii. descendants iii. siblings

b. ‘…………...’ means to turn or spin around and around quickly

i. Twirl ii. Fold iii. Fetter

c. ……….. are proteins which contain oligosaccharide chains (glycans) attached to amino acid side-chains

i. Glycoproteins ii. Legumes iii. Meat products

d. ………. are carbohydrate-binding proteins that are highly specific for sugar groups that are part of other molecules and so cause agglutination of particular cells.

i. Lactose ii. Legumes iii. Lectins

e. ….are abnormal tissue growths that most often look like small, flat bumps or tiny mushroom-like stalks found in the phylum Cnidaria and the medusa.

i. Polyps ii. Buds iii. Tulips

f. …………. is a biological interaction where one organism, the predator,

kills and eats another organism, its prey.

i. Murder ii. Homicide iii. Predation

g. ………. is a genus of flowering plants in the buttercup family.

i. Anemone ii. Ammonia iii. Amoeba

h. A/An …………… person is extremely or excessively particular, exacting, or meticulous in taste or standards.

i. arrogant ii. finicky iii. symbiotic

i. …………. is a group of soft-bodied, marine gastropod molluscs which shed their shells after their larval stage.

i. Shell ii. Nudibranch iii. Jellyfish

j. A …….is a free-swimming sexual form of a coelenterate such as a jellyfish, typically having an umbrella-shaped body with stinging tentacles around the edge.

i. medusa ii. sea horse iii. sea slug

B. Lookup a dictionary and write the meanings of the following words then use them in your own sentences.

Arthropod- an invertebrate animal of the large phylum Arthropoda, such as an insect, spider, or crustacean.

Gastropod- a mollusc of the large class Gastropoda, such as a snail, slug, or whelk.

Biomass- the total quantity or weight of organisms in a given area or volume.

Calcification- the hardening of tissue or other material by the deposition of or conversion into calcium carbonate or some other insoluble calcium compounds.

Metamorphosis- (in an insect or amphibian) the process of transformation from an immature form to an adult form in two or more distinct stages.

Sturgeon- a very large primitive fish with bony plates on the body. It occurs in temperate seas and rivers of the northern hemisphere, especially central Eurasia, and is of commercial importance for its caviar and flesh.

Grammar

Passive voice

A. Make passive sentences from the following information as in the example.

Example:

Toyota cars/Japan/make : Toyota cars are made in Japan.

a. volleyball/every/country/play

Volleyball is played in every country. 

b. spaghetti/boiling water/cook

Spaghetti is boiled in water and cooked.

c. each lesson/an exercise/follow

Each lesson is followed by an exercise.

d. taxes/the price/include

Taxes are included in the price. 

e. extensive information/the internet/find

Extensive information is found on the internet. 

f. our order/the waiter/took

Our order is taken by the waiter.

g. the schedule/the participants/will distribute

h. the police/footprint/found

i. the children/the sandcastles/built

j. the father/the window/not going to open

B. Rewrite the following sentences in the passive voice using the correct form of verbs in the brackets.

a. Call the ambulance! Two boys  (injure) in a motorbike accident.

b. The clock............ (use) since the 17th century.

c. I had to wait outside the classroom while the classroom ......... (clean).

d. The problem ............ (discuss) by the subject specialists at the moment.

e. By the time I came back, the task ............... (finish).

f. Women .............. (say) to be happier than men.

g. Look! The house ........... (destroy) by the fire.

h. The other three reports..................... (submit) by next month.

i. Many people .......... (rescue) from the floods by the security persons this year.

j. The state of Florida ................ (hit) by a hurricane that did serious damage.