The correct answer for this question is:
A farmer planted legumes and cabbage in the same field that is devoid of fertilizers. The yield from this field is better than the cabbage planted inanother field without legumes. The reason for this is because (A) <span>nitrogen-fixing present in the roots of legumes aid enrichment of nitrogen in the soil.</span>
Answer:
Excretion is the removal of material from one living thing, for example. Humans excrete tears, sweat, carbon dioxide etc.
Secretion is the movement of material from one point to another, for example. Humans secrete enzymes, hormones, saliva etc.
Basically in summary excretion is the removal of physical material and secretion is the movement of biological materials from one point to another.
I hope this was clear enough lol
Answer:
D
Explanation:
Larger organism increases more in volume than area. That's why larger organism uses respiratory systems or organs and systems instead of simple diffusion for removal of waste and absorption of nutrients.
The fundamental building blocks of life are cells. No matter how large or little, straightforward or complex, the cell hypothesis holds true for all living things. Cells are believed to be a component of all living things, hence they can reveal information about all life.
Schleiden and Schwann advocated spontaneous generation (also known as abiogenesis) as the mechanism for cell origination, but spontaneous generation was later demonstrated to be false. The famous phrase "Omnis cellula e cellula" by Rudolf Virchow "Only pre-existing cells can give rise to new ones." However, the portions of the hypothesis unrelated to how cells first formed withstood scientific investigation and are currently accepted by the majority of scientists. The following are the elements of contemporary cell theory that are commonly acknowledged:
The basic unit of structure and function in living things is the cell.
One or more cells make up every living thing.
Through cellular division, new cells are created from existing ones.
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Answer:
Pollen grains are also adapted for insect pollination. Some pollen grains are hairy or spiky, and others are sticky, so they attach to the insect. The anthers dangle in the breeze, and the pollen is blown away. The pollen grains are very small and light so they are easily carried on the wind.
Explanation:
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