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13. Make a report about any amphibian you find interesting and unusual. Write a plan first and do not forget to mention amphibian`s

appearance

habitat

feeding habits

way of reproduction.

14.Choose any of the following ideas (or propose your own), find information and write an essay (150 -250 words).

Amphibia`s place in taxonomy

Unusual qualities

Hibernation

Humans and Amphibia.

Unit 4

Тема урока: Insects

текст 1 Insects

текст 2 Ants

текст 3 Cockroaches

текст 4 О бабочках

текст 5 О гусеницах

Words

rival

n. a person, group, or organization that you compete with in sport, business, a fight etc, a competitor

outnumber

v. to be more numerous than

certain

adj. used to talk about a particular person, thing, group of things etc without naming them or describing them exactly

pest

n. a small animal or insect that destroys crops or food supplies, vermin

compound

n. a thing that is composed of two or more separate elements; a mixture

image

n. a picture that you have in your mind, especially about what someone or something is like or the way they look

mature

adj. fully developed physically, full-grown

immature

adj. not fully developed

maturity

n. the quality of behaving in a sensible way like an adult

offspring

n. an animal's baby or babies

abdomen

n. the part of the body of a vertebrate containing the digestive and reproductive organs; the belly

abundant

adj. existing or available in large quantities; plentiful

spiracle

n. an external respiratory opening, especially each of a number of pores on the body of an insect, or each of a pair of vestigial gill slits behind the eye of a cartilaginous fish

ovipositor

n. a tubular organ through which a female insect or fish deposits eggs

derive

v. to obtain something from (a specified source)

horn

n. the hard pointed thing that grows, usually in pairs, on the heads of animals such as cows and goats

bear

v. to support, to carry the weight of

pliable

adj. able to bend without breaking or cracking

fold

adj. an area of skin that sags or hangs loosely

occur

v. to happen, to take place

shed

v. if a plant sheds its leaves or if an animal sheds skin or hair, they fall off as part of a natural process

molt

v. (of an animal) to shed old feathers, hair, or skin, or an old shell, to make way for a new growth

undergo

v. to experience or be subjected to

maggot

n. a soft-bodied legless larva of a fly or other insect, found in decaying matter

hollow

v. to make a hole or empty space by removing the inside part of something

Make sure you know these words

1.

ocellous (pl. ocelli )

2.

holometabolous

3.

ametabolous

4.

chitinous

5.

larva (pl. larvae)

6.

pupa ( pl. pupae)

7.

tracheole

What insects are these?

wasp

dragonfly

tick

silverfish

firefly

cockroach

grasshopper

ant

fly

bumble-bee

mosquito

beetle

bee

caterpillar

Working with words

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