2. How are the abiotic and biotic components interdependent?
3. Water lily floats on the water surface. How?
4. Leaves are coated with wax in hydrophytes. Why?
5. Camels are called the ship of desert. Why?
6. Body is streamlined and laterally compressed in fish. Why?
7. Why do whales and dolphins have blowholes.
8. Why do desert plants have long roots spreading into the soil.
ferentiate between the following
Answers
2 All biotic components are dependent on the abiotic components for their survival. Like plants need sunlight, water and carbon dioxide for carrying out photosynthesis that produce food which feed other organisms.
3 Leaves can also float by themselves. The many water lilies in this pond have air-filled leaf veins that let them rest on the surface of the water. As you can see, aquatic plants are capable of many variations on a common theme, but they all use air to make themselves buoyant.
4 Hydrophytes are water loving plants. The hydrophytes with floating leaves have large leaves, stomata and waxy coating on the upper surface. The waxy coating prevent wetting and clogging of stomata.
5 Camels are called a ship of the desert because of their ability to survive in the desert climate and also the speed they have when walking.
6. The bodies of fish are the streamlined bodies because they have to move in fluids. Fluids exerts a force opposite to the direction of motion when an object (Fish) is moving in a fluid. This frictional force is known as drag. In order to decrease this drag the objects are given a special shape or streamlined shape.
7 Whales and dolphins are mammals and breathe air into their lungs, just like we do. ... They breathe through nostrils, called a blowhole, located right on top of their heads. This allows thexm to take breaths by exposing just the top of their heads to the air while they are swimming or resting under the water.
8The plants grow deep roots to gather water that is far down under the surface of the earth. At such a deep level, the water evaporates from the desert heat much slower than it does closer to the surface.
Answer:
2. All biotic components are dependent on the abiotic components for their survival. Like plants need sunlight, water and carbon dioxide for carrying out photosynthesis that produce food which feed other organisms.
3. Leaves can also float by themselves. The many water lilies in this pond have air-filled leaf veins that let them rest on the surface of the water. As you can see, aquatic plants are capable of many variations on a common theme, but they all use air to make themselves buoyant.
4. Hydrophytes are water loving plants. The hydrophytes with floating leaves have large leaves, stomata and waxy coating on the upper surface. The waxy coating prevent wetting and clogging of stomata.
5. Camels are called a ship of the desert because of their ability to survive in the desert climate and also the speed they have when walking.
6. The bodies of fish are the streamlined bodies because they have to move in fluids. Fluids exerts a force opposite to the direction of motion when an object (Fish) is moving in a fluid. This frictional force is known as drag. In order to decrease this drag the objects are given a special shape or streamlined shape.
7. Whales and dolphins are mammals and breathe air into their lungs, just like we do. ... They breathe through nostrils, called a blowhole, located right on top of their heads. This allows them to take breaths by exposing just the top of their heads to the air while they are swimming or resting under the water.
8. Function. The plants grow deep roots to gather water that is far down under the surface of the earth. At such a deep level, the water evaporates from the desert heat much slower than it does closer to the surface.
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