Question

Pan
[4]
II. Give one word for the following.
1. The part of the seed that produces the stem and leaves.
2. Breathing organ of mammals.
3. The special changes in an animal's behaviour to suit its habitat.
4. The longest bone of the human body.
5. The joint that allows the bones to move easily in a large circle.​

Answer 1

Answer:

1.The plumule is the part of a seed embryo that develops into the shoot bearing the first true leaves of a plant.

2.How do mammals breathe? Paired lungs are the respiratory organs of mammals. All mammals, even the ones living in the water, breathe air oxygen. The frequency of breathing differs: larger mammals breathe less than smaller animals.

3.An adaptation is a modification or change in the organism's body or behaviour that helps it to survive. Explore the links given here to know more about habitats and how different plants and animals. An animal may adapt to its habitat in different ways. ... Animals in the wild can only live in places they are adapted to.

4. The femur is the longest bone found in the human body. It is almost 19.9 inches long and is commonly known as the thigh bone. One can evaluate that femur is the longest bone just by looking at his/her thigh. It runs from the hip down to around the knee area.

5.Freely moving joints

Ball and socket joint – the rounded head of one bone sits within the cup of another, such as the hip joint or shoulder joint. Movement in all directions is allowed

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Answer 2

Explanation:

1. plumule

2. lungs

3. adaptation

4. femur

5. BALL AND SOCKET JOINTS.