BIOLOGY HIGH SCHOOL

Which of the following are the parts of neurons?A: Brain, spinal cord, and vertebral column

B: Dendrite, axon, and cell body

C: Sensory and Motor

D: Cortex, medulla, and sheath

Answers

Answer 1
Answer: B: Neurons have dendrites, axons, and a cell body

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Between 6 and 7 million years ago, the lineage that led to hominins split from the lineage that led to chimpanzees. Which of the following best describes one of the ways that hominins evolved? A. Hominins evolved a smaller skull and smaller brain capable of designing tools. B. Hominins evolved an opposable thumb that enabled hands to grasp objects. C. Hominins evolved shoulder bones that enabled them to walk faster on all four limbs. D. Hominins evolved more chromosomes that enabled them to reason and solve problems.

Answers

Answer:

B. Hominins evolved an opposable thumb that enabled hands to grasp objects.  

Explanation:

Prehistoric hominids evolved opposable thumbs earlier than bipedal walking. The opposable thumbs have been critical during evolution because this position enables the digits to grasp and handle objects.

Identify two organisms in the food web that compete for food.

Answers

Answer:

Hawks, foxes

Explanation:

Producers: Cacti, bushes, acacias, flowers, brush.

Primary Consumers: Insects, lizards, rodents.

Secondary Consumers: Tarantulas, scorpions, lizards, snakes.

Tertiary Consumers: Hawks, foxes.

Energy frequently changes form as it moves through biogeochemical cycles. Energy transfers in lightning fixation differ from those in photosynthesis because in lightning fixationradiant energy transforms into chemical energy; in photosynthesis, electrical energy transforms into chemical energy.

electrical energy transforms into chemical energy; in photosynthesis, chemical energy transforms into electromagnetic energy.

electrical energy transforms into chemical energy; in photosynthesis, radiant energy transforms into chemical energy.

radiant energy transforms into chemical energy; in photosynthesis, chemical energy transforms into radiant energy.

Answers

Energy transfers in lightning fixation differ from those in photosynthesis because in lightning fixation electrical energy transforms into chemical energy; in photosynthesis, radiant energy transforms into chemical energy. Thus, the correct option is C.

What is Photosynthesis?

Photosynthesis may be defined as the process through which green plants and some photosynthetic algae synthesize their own food (glucose) with the help of carbon dioxide and water in the presence of sunlight.

During lightening, the form of electrical energy is transferred into heat or thermal energy with an intermediate of chemical energy, while during photosynthesis, plants capture sunlight in which radiant energy of sunlight gets transferred into chemical energy.

Therefore, the correct option for this question is C.

To learn more about lightening, refer to the link:

brainly.com/question/8157847

#SPJ5
It's C. electrical energy transforms into chemical energy; in photosynthesis, radiant energy transforms into chemical energy

_____ developed the concept of half-life. Ernest Rutherford Leonardo da Vinci James Hutton none of the above

Answers

"half-time", that is the time when radioactive material looses half its mass, was discovered by Ernest Rutherford in 1907, who was a British and New Zealander physicist.

A new highly nutritious crop is going to be planted in an area where it has never been planted before. Which is the most likely outcome of such an event?

Answers

It will threaten local biodiversity. 

The new plants planted in an area where they have never been planted before are called introduced species. They can greatly affect local ecosystem. In the new area, they have no natural predators and are able to spread. If they spread beyond the area they are planted, they become invasive species which can overgrow native biotopes and are a great threat to the local biodiversity. This could lead to the extinction of some native species.

Answer:

negative as it threatens local biodiversity

Explanation:

Why can't humans drink ocean water

Answers

If too much, your blood needs salt but not too much, only drink tiny bits, and it could be to strong for your stomach and burn it a little. could also cause dehydration & possibly death. and its bad for u if u drink alot
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