1.8 Summarize the text

II Levels of organization in an ecosystem

2.1 Fill in the blanks with suitable words

1________________________________________

When we consider all the ______biomes, each blending into the other, with all humans living in many different _______ areas, we form a huge community of humans, animals and plants, in their defined_______. A biosphere is the sum of all the ________established on Earth.

(geographic, habitats, ecosystems, different)

2________________________________________

Population is a group of individuals of a given ____________that live in a specific _____________area at a given time. Note that populations include ____________of the same species, but may have different genetic makeup such as hair/_____ /skin color and size between themselves and other populations.

(geographic, eye, individuals,Ecosystem)

3_________________________________________

As explained in the pages earlier, ecosystems include more than a ______ of living organisms (abiotic) interacting with the _________ (abiotic). At this level note _______how they depend on other abiotic such as rocks, water, air and temperature.

(environment, community, factors)

4_________________________________________

An individual is any ______thing or organism. Individuals do not ______with individuals from other groups. Animals, unlike ______, tend to be very definite with this term because some plants can cross-breed with other _______plants. In the diagram, you will notice that the goldfish, is interacting with its ______, and will only crossbreed with other gold fishes just like her.

(fertile, living, environment, breed, plants)

5_________________________________________

A _____, in simple terms, is a set of ______ sharing similar characteristics with their abiotic adapted to their_______.

(factors, ecosystems,biome, environments)

6_________________________________________

This includes all the populations in a specific area at a given time. It includes populations of _______of different species. In the diagram, note how populations of gold _______, salmons, crabs and herrings coexist in a defined _______. A great community usually includes biodiversity.

(fishes, organisms,location)

2.2 Match the headings with the passages. Rearrange the passages in the logical order

Biome

Ecosystem

Individual, Species, Organism

Biosphere

Population

Community

2.3 Watching the video

a. Watch the video and

1. Describe 6 levels of biological organization

2. Name 11 organ systems

3. Explain how structure and function are related

b. Watch a part of the video again and fill in the blanks with suitable words

1. You can’t have a healthy functioning organism if you have only ___________ _________, or if you have only________ ________,or you have only__________ __________.

2. You need them all working together to _________the health of an organism, of you.

3. For example, the respiratory system takes in _______and gets rid of__________ ________.

4. Your cardiovascular system circulates the _______in your________.

5. You need the digestive system take in foods and break them into the_________.

6. You can use everything in you foods, so you have to get rid of _________particles.

7. You also need to be able to able to eliminate _______and uncharged_______, like that come out in your________.

c. Explain how organ systems work together to maintain the organism

Unit III