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14 Make a report about any problem, connected with extinction, you find interesting and unusual. Write a plan first and do not forget to mention

Causes of a problem

Current situation

Ways of solving the problem

Your opinion.

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

Endangered species

Extinction

Introduction of species

Deforestation

Global warming

Human impact

Are we to be blamed?

Unit 14

Тема урока: Adaptations

текст 1 Community Interactions and Adaptations

текст 2 Camel

текст 3 Adaptations to thin air

текст 4 Адаптация

Words

interaction

n. a process by which two or more things affect each other

influence

v. to affect the way someone or something develops, behaves, thinks etc without directly forcing or ordering them

predator

n. an animal that kills and eats other animals

thus

adv. as a result or consequence of this, therefore

simultaneous

adj. occurring, operating, or done at the same time

exert

v. to use your power, influence etc in order to make something happen

adept

n. a person who is skilled or proficient at something

endow

v. to make someone or something have a particular quality, or to believe that they have it

stripe

n. a line of color

stealth

n. cautious and surreptitious action or movement

stalk

v. to follow a person or animal quietly in order to catch and attack or kill them

emit

v. to send out gas, heat, light, sound etc

evasive

v. to move or do something quickly to avoid someone being hurt

erratically

adv. not arranged in order

jam

v. to change the form of (an electrical signal or sound wave) during transmission, amplification, or other processing

resemble

v. to have a similar appearance to or qualities in common with (someone or something), look or seem like

surroundings

n. the objects, buildings, natural things etc that are around a person or thing at a particular time

render

v. to provide or give (a service, help, etc.)

plain

adj. not decorated or elaborate, simple or basic in character

flee

n. to leave somewhere very quickly, in order to escape from danger

ambush

v. to make a surprise attack on (someone) from a concealed position

thorn

n. a stiff, sharp-pointed woody projection on the stem or other part of a plant

dangle

v. to hang or swing loosely

lure

n. an object used to attract animals or fish so that they can be caught

swallow

v. to make food or drink go down your throat and towards your stomach

deter

v. to stop someone from doing something, by making them realize it will be difficult or have bad results

milkweed

n. a herbaceous plant with milky sap, some kinds of which attract butterflies or yield a variety of useful products

bountiful

adj. large in quantity, abundant

tough

adj. (of a substance or object) strong enough to withstand adverse conditions or rough handling

blade

n. a single thin flat piece of grass

grind

v. to reduce something to small particles or powder by crushing it

Make sure you know these words

1.

cheetah

2.

mimicry

3.

natural selection

4.

adaptation

5.

coevolution

Working with words

  1. Match a word in A to a similar word in B.

A

B

1

to endow

a

disguise

2

predator

b

to release

3

camouflage

c

to escape

4

to flee

d

bountiful

5

venom

e

to retain

6

to deter

f

hunter

7

to emit

g

powerful

8

abundant

h

to provide

9

strong

i

to locate

19

to store

j

poison

  1. Match A and B to make the word combination.

A

B

keen

on the prey

to zero

chamber

warning

poison

complex

eyesight

abdominal

action

to tolerate

adaptations

evasive

call

  1. Give definitions to the following words.

1

plain

a

2

to conceal

b

3

to resemble

c

4

thorn

d

5

to swallow

e

6

abundant

f

7

tough

g

  1. Choose the correct word to complete the sentences.

habitat relative tolerating adapted extreme locomotion changes observations comparing

When biologists say that a plant or animal is .................... to its habitat they usually mean that, in the course of evo­lution, ......................... have occurred in the organism which make it more successful in exploiting its ..................................t, e.g. animals finding and digesting food, selecting nest sites or hiding places, or plants exploiting limited mineral resources or ..................... salinity or drought. Sometimes, just by looking at an organism and ..................... it with related species, it is possible to make reasoned guesses about adaptation. For example, there seems little doubt that the long, hair-fringed hind legs of a water beetle are adaptations to ................................ in water when compared with the corresponding legs of a land-living .............................

By studying animals which live in .............................. habitats, it is possible to suggest ways in which they might be adapted to these habitats especially if the ................................. are supported by physiological evidence.

Working with word combinations and sentences

  1. Give English equivalents to the following word combinations.

Взаимодействующие популяции, поддерживать баланс, способность выживать, участники естественного отбора, защита от хищников, унаследованные характеристики, противостоять воздействию окружающей среды, знающий охотник, маскирующие пятна, подстерегать добычу, обнаружить добычу, испускать сигналы, высокочастотные сигналы, чувствительные уши, иметь большое сходство, оставаться неподвижным, убегать от хищников, приблизиться к приманке, предупредительная раскраска, прикрывать отход, изобилие растений, обилие пищи, по крайней мере, обескуражить хищника.

  1. Give definitions to the following concepts.

Coevolution

Competition

Predation

Parasitism

Mutualism

Mimicry

Adaptation

Natural selection

  1. Translate into English

Приспособленность - соответствие признаков организма (внутреннего и внешнего строения, физиологических процессов, поведения) среде обитания, позволяющее выжить и дать потомство. Например, водные животные имеют обтекаемую форму тела; лягушку делает незаметной на фоне растений зеленая окраска спины; ярусное расположение растений в биогеоценозе дает возможность эффективно использовать солнечную энергию для фотосинтеза. Приспособленность помогает выжить организмам в тех условиях, в которых она сформировалась под влиянием движущих сил эволюции.

Working with texts

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