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среда обитания живых организмов

среды обитания живых организмов

среды обитания живых организмов 5 класс

биология

школа

образование

животные

растения

природа

экология

уроки биологии с нуля

видеоурок по биологии

фгос

пасечник

пасечник линия жизни 2017

видеоурок среды обитания живых организмов

урок биологии 5 класс

приспособления организмов к среде обитания

ленобласть

россия

выборг

пастерское озеро

карелия

00:00:02

hello friends and this is biology in living

00:00:06

nature and my name is Alexandra Soboleva and

00:00:09

today I will try to

00:00:11

tell you in a fascinating way about what kind of

00:00:14

living environments there are on planet earth and

00:00:16

what adaptations living organisms have to them,

00:00:19

what is a habitat,

00:00:31

this is what surrounds a living organism on

00:00:35

planet earth there are only four

00:00:37

habitats suitable terrestrial sonorous

00:00:42

soil and organisms on and and each

00:00:46

has its own individual

00:00:48

characteristics and of course organisms

00:00:52

adapt to it

00:00:56

water is the habitat for a

00:01:00

huge number of living organisms

00:01:03

it provides them with absolutely everything they

00:01:07

need for life shelter

00:01:10

provides food and, unlike the

00:01:13

terrestrial air environment, in water

00:01:16

oxygen is in a dissolved

00:01:19

state;

00:01:20

another adaptation to the aquatic environment of

00:01:22

life is the type of respiration;

00:01:25

almost all aquatic animals breathe with the

00:01:28

help of gills;

00:01:29

in octopuses they are located inside the body in the

00:01:33

mantle cavity so that water

00:01:36

constantly octopuses have a wash bringing oxygen

00:01:40

in one and an outlet siphon

00:01:44

in the video you can clearly see how rhythmically they

00:01:47

move creating a current of water the

00:01:52

adaptation of aquatic organisms is of course

00:01:56

related to its physical and chemical

00:01:58

properties,

00:02:00

for example, water has a buoyancy

00:02:03

force, it is the buoyancy properties of water that

00:02:11

allow many aquatic organisms to

00:02:15

soar in its upper layers,

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these can be both single-celled

00:02:20

organisms

00:02:21

and very large animals such as

00:02:24

jellyfish, active swimmers,

00:02:28

for example fish, dolphins and whales, have

00:02:32

adaptations to develop

00:02:35

high speed, for example, a streamlined

00:02:38

body shape,

00:02:48

as a rule, the body is covered with mucus in order

00:02:53

to develop speed and give

00:02:56

themselves directions there are flippers or

00:02:59

fins temperature fluctuations in the water are

00:03:05

much less than the terrestrial stuffy

00:03:09

environment of life

00:03:10

aquatic organisms have populated almost

00:03:14

all layers of water starting from the upper ones where

00:03:18

of course there is always more life because there

00:03:21

is more sunlight, which

00:03:22

means plants can

00:03:24

photosynthesize and create

00:03:26

organic substances that are further

00:03:29

nutritious for other living things organisms

00:03:32

and the temperature of the upper layers of water is also

00:03:36

higher, the deeper we

00:03:38

go, the fewer plants there will be,

00:03:41

but animals nevertheless populated

00:03:44

absolutely all layers of the water space of the

00:03:57

terrestrial air environment is more complex and

00:04:00

diverse than aquatic terrestrial

00:04:04

inhabitants, they are very sensitive to the composition and

00:04:07

properties of the air therefore, when the

00:04:11

air is polluted, many animals

00:04:13

begin to get sick or become completely

00:04:17

extinct; the terrestrial air environment is

00:04:20

less dense than the water environment; therefore, you and I

00:04:24

need special devices

00:04:26

to support our bodies in

00:04:29

space; animals have this skeleton, we have the

00:04:33

internal one, but sometimes there is also an external

00:04:37

exoskeleton. such as, for example, in

00:04:40

insects, crustaceans or spiders,

00:04:43

and in plants, these are mechanical tissues

00:04:46

that help support the

00:04:49

trunk, and even during strong storms,

00:04:52

plants withstand great pressure and

00:04:55

load, and of course the roots that

00:04:58

fix trees in the soil, unlike the

00:05:03

aquatic environment,

00:05:05

there are very sharp fluctuations in

00:05:08

temperature and humidity, for example, now

00:05:11

in September frosts are already starting and at

00:05:14

night it can be down to -2 and during the day as it is now

00:05:19

plus 18, imagine what a big

00:05:22

gap of almost 20 degrees, of course, all

00:05:25

inhabitants of the land and air environment have

00:05:29

their own adaptations to such sudden

00:05:32

changes in temperature and humidity

00:05:47

seagulls

00:05:48

have adaptations, and are there

00:05:52

any, and if we talk about the aquatic

00:05:57

environment,

00:05:58

then they have distillations on their paws in order to

00:06:01

swim a not very powerful club of

00:06:06

small curves and teeth in

00:06:11

order to grab fish from the water, well, it

00:06:14

would be extremely desirable if every time

00:06:18

contact with water and not getting wet,

00:06:20

in fact, this would threaten them with death.

00:06:22

seagulls, like everyone else, swimming birds

00:06:26

use the following in the tail area

00:06:30

they have a coccygeal gland

00:06:32

from where they use their beak, okay, just like that

00:06:35

and carefully distribute it over the

00:06:39

entire body, thus the inner layer of the

00:06:43

coupe keep the outer layer of wood preserve

00:06:50

as for adaptations to the air

00:06:55

environment and for flight tea streamlined

00:07:03

body shape in order to reduce friction of the body

00:07:08

and brain

00:07:09

when they fly they look like an airplane

00:07:13

to be precise then of course the airplane

00:07:16

is similar to a chaes because the airplane was

00:07:19

invented by man after I got acquainted with the

00:07:22

structure,

00:07:33

of course there is also a device for flight,

00:07:36

and this already concerns the internal structure,

00:07:41

almost everything is just a moment

00:07:43

the organs are filled with inhale with air

00:07:46

sacs that are connected,

00:07:48

I am also for flights, so even if

00:07:53

a person has one, but also to twist it, here it is,

00:07:58

yoga teachings,

00:08:00

this modified type of skin helps

00:08:05

to make the body streamlined during

00:08:08

flight,

00:08:17

soil is the top loose layer of drying material, it

00:08:21

consists of non-living

00:08:23

or osseous inorganic substances such

00:08:26

as minerals and water and also

00:08:30

contains a lot of living or organic

00:08:34

matter, these are the remains of animal plants and the

00:08:38

products of their decomposition, humus,

00:08:42

bacteria, fungi, worms, insects live in the soil and

00:08:46

their larvae and even such large animals

00:08:49

as moles and shrews, which is why the

00:08:53

soil is called bio bone formation,

00:08:57

life underground has its own characteristics due to the

00:09:01

lack of sunlight, all

00:09:04

underground inhabitants are usually either

00:09:07

blind or their vision is poorly developed, for the

00:09:11

same reason their sense of smell is As

00:09:14

compensation, they are usually very

00:09:16

well developed; oxygen underground is

00:09:20

difficult to access, so animals have

00:09:23

their own adaptations for

00:09:25

breathing, for example, earthworms have a

00:09:29

body covered with mucus; firstly, mucus

00:09:32

helps them slide through dense

00:09:35

layers of soil and secondly, absorb

00:09:38

oxygen over the entire surface of the body and other

00:09:41

animals, for example, have a system of cavities

00:09:45

in the body where blood

00:09:47

saturated with oxygen is stored,

00:09:50

compared to aquatic foreign environments of

00:09:54

life in the soil, the density is of course

00:09:57

much higher, so moles, for example, have

00:10:01

very developed burrowing limbs, and in

00:10:05

worms and larvae, quite powerful

00:10:08

muscles play a huge role in soil

00:10:13

plant life, it has a special

00:10:16

property of fertility, that is,

00:10:18

the ability to provide plants with

00:10:21

nutrients, moisture and

00:10:23

create conditions for their

00:10:25

life activity; the more

00:10:28

minerals and humus in the soil, the more

00:10:30

noble it is; the yield of cultivated crops depends on the fertility of the soil; the

00:10:40

bodies of many organisms can serve as a

00:10:43

living environment for other organisms,

00:10:46

such as As a rule, these are parasites;

00:10:48

life inside another organism

00:10:50

is characterized by greater constancy

00:10:53

compared to life in the environment;

00:10:55

therefore, parasites that find a place in the

00:10:58

bodies of plants or animals often

00:11:01

completely lose their organs or

00:11:04

even organ systems necessary for a free-

00:11:07

living species, for example, some types of

00:11:11

tapeworms

00:11:12

receive oxygen and nutrients

00:11:15

from the blood of the host’s body, as a result,

00:11:20

they do not have their own circulatory and

00:11:22

respiratory systems,

00:11:24

and this was biology in wildlife, do not

00:11:33

forget your likes under the video and follow the

00:11:36

updates, a lot of interesting things await you,

00:11:38

no matter how old you are

Description:

Биологи и экологи выделяют четыре среды обитания живых организмов: водная, наземно-воздушная, почвенная и организменная. У каждого организма существуют конкретные приспособления для существования в своей среде. Например, чешуя придаёт обтекаемость и снижает трение тела о воду, позволяя развивать скорость, поэтому у большинства водных организмов есть чешуя. Видеоурок подходит для самостоятельного изучения темы: "Среды обитания живых организмов". И может быть использован на уроке биологии. Видеоурок создан на основе учебника Пасечника ФГОС для 5,6 классов В видео использованы кадры из фильма Океаны.

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