The products that are derived from invertebrates are the following:
1. food - crabs, lobsters, oysters, octopuses: all of these are invertebrates (meaning they have no spine) and are used as food
2. shell - seashells are invertebrates and their shells are used for various purposes
3. jewelry - shells are used as jewelry, as well as pearls coming from seashells
4. silk - silk comes from silkworms, which are invertebrates
I just wouldn't pick cotton, because you get cotton from a plant.
The crust<span> and upper </span>mantle<span> of the Earth </span>form<span> the lithosphere.</span>
Answer:
You did not provide any options so i will give some facts that will hopefully help you in figuring out the correct answer.
For prokaryotic cells, the cell wall is a tough, fibrous layer that protects the cell and gives it shape and rigidity.
Prokaryotic cells are found in the domain(s) Bacteria and Archaea.
True: Prokaryotic cells have nucleoids and eukaryotic cells have nuclei.
A prokaryotic cell is distinct from a eukaryotic cell because a prokaryotic cell lacks _a nucleus_.
There is only _1_ eukaryotic domain, it is Eukarya.
Answer:
The correct answer is Circulatory system.
Explanation:
Circulatory system is also known as the cardiovascular system which is used to circulate the blood around the body of most of the animals. It mainly consists of a heart that is used to pump the blood and different blood vessel that are used for the transportation of blood to different parts of the body.
The main functions plays by circulatory system are:
1. It provides oxygen to different organs of the body through blood.
2. It helps in providing nutrients, hormones to different organs and remove waste products from cells.
3. It helps in locating the immune cells to the injury site which helps the body to fight the infection.
Answer:
<em>B. Different crops could be grown on the same land.
</em>
Explanation:
Crop rotation is the process of growing different plants in the same land according to the season. Various kinds of plants require various sorts of supplements from the soil.
Changing crops on a regular basis enables the land to stay rich in nutrients, since not the majority of similar nutrients are being utilized each season. Crop rotation likewise fights against the powers of soil erosion. It also helps to improve the stability of the soil by shifting back and forth between harvests with profound roots and those with shallow roots.
