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ch4aika [34]
3 years ago
11

People utilize plants to meet many everyday needs, including food, fiber, and building materials. However, not many of the over

300,000 known species of plants are used by people. One species with a lot of future promise is the jatropha tree. This species is native to Central America and is now found throughout the tropics. Many people believe the jatropha could help alleviate poverty in many areas of the world, as the seeds produce an oil that can be used for cooking, lighting, or generating electricity. This oil can also be mixed with diesel fuel or petrol to produce a biofuel. Mature trees produce between 5 and 15 kg of seeds per year and can live more than 30 years. Suppose a weather catastrophe occurred such that the bird pollinators of the jatropha tree were significantly diminished. Which form of dispersal might jatropha trees need for a chance to continue producing flowers and seeds?
Biology
1 answer:
Masteriza [31]3 years ago
6 0

Answer: anthropochory (human dispersal)

Explanation:

Assuming that the bird pollinators were significantly diminished, human dispersal will be a useful means of dispersal. Currently, in the tropics, Jatropha is intentionally planted by individuals for oil production.

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Light energy from the sun is the primary source for all living organisms. So how does the sun provide energy for all living orga
Vera_Pavlovna [14]

Answer: Heat or thermal energy coming from the sun provides energy for living organisms through heat transfer. For plants light energy is absorbed by the leaves and enters the stomata which activates the thylakoids and releases amount of electrons for chemical reactions. Through light energy plants produces glucose and releases oxygen gas as a by-product of the reaction. For this process energy is formed (ATP)

Explanation:

6 0
3 years ago
"if left untreated, hypertension can lead to ____."
katrin2010 [14]

If left untreated, the probable lead for hypertension to an individual is kidney failure. It is because the blood pressure is associated with the kidneys because the nephrons of the kidneys are being supplied with the blood vessels dense network and also because of the blood that flows through it, when there is a presence of hypertension and left untreated, it could cause the kidney to weaken or harden—causing kidney failure.

7 0
3 years ago
Twenty-five people developed symptoms of nausea, vomiting, and diarrhea three to six hours after attending a church picnic where
Rus_ich [418]

Answer:

e. staphylococcal enterotoxin

Explanation:

Staphylococcal enterotoxin is a toxin that is produced by the bacteria Staphylococcus aureus. It is a toxin found inside the gastrointestinal tracts of the human body which is why it is called an enterotoxin and it results in food poisoning when consumed by humans.

Staphylococcal enterotoxin is proteinous in nature and it can be found on dairy products such as milk or cheeses that have been contaminated by Staphylococcus aureus.

After consumption of the contaminated milk or cheeses, the person begins to experience symptoms of nausea, diarrhea as well as vomiting.

Staphylococcal enterotoxin is a very heat stable toxin which means even though you heat up a food contaminated with this toxin, the bacteria may die by the toxins would still remain in the food.

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5 0
3 years ago
answer true or false for each question. no rediculous answers, I will mark brainliest for whichever one is correct
kompoz [17]

Answer:

1. True

2. True

3. False, they have 46

4. False, they inherit traits from both parents

5. True

6. False, rice has 12 pairs of chromsomes and flies have 4 so not all orangisms have the same number of chromosomes

7. True (not too confident with this one though)

8. False, a body cell has 46 while gametes have 23

9. False

10. True

Explanation:

7 0
3 years ago
How are phosphates incorporated into the organic molecules in aquatic plants and animals?
il63 [147K]

Answer: phosphates absorbed by plant roots

Explanation:

The inorganic phosphate ions are available in the rocks which are distributed into the soil by the withering process. The aquatic plants absorb the phosphate ions through their roots. The plants are consumed by the animals. The inorganic phosphate is converted by the plants and animals into organic form incorporated in the DNA.

6 0
3 years ago
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