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hjlf
2 years ago
7

Why are frog egg laid in long gelatin fluid ?

Biology
1 answer:
Nat2105 [25]2 years ago
4 0
<span>Although amphibious frogs live on land and in water, they must lay their eggs in water or the eggs will dry up, effectively killing the offspring inside. Frog eggs are covered with a glycoprotein, which helps keep the eggs moist. This glycoprotein has to keep in contact with a source of moisture, such as water. </span>
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When two plates form a subduction zone, which plate will subduct
Lemur [1.5K]

The denser plate

Explanation:

When two plates forms a subduction zone, the denser plate will subduct and dive into the underlying mantle below.

Subduction zone occurs along a convergent margin when two plates of different densities collides.

  • When two plates of different densities collides, the denser plates subduct.
  • This is because the density of the mantle below is less than its own density.
  • Most times, oceanic plates usually subduct during plate convergence.
  • Oceanic plates are denser compared to continental plates.

learn more:

Continental crust brainly.com/question/10537829

#learnwithBrainly

6 0
2 years ago
Which statement best describes the breakdown of food in the digestive system?
Oksanka [162]
Answer: The second option.
Carbohydrate digestion starts in the mouth and protein digestion starts in the stomach.

Carbohydrate digestion starts in the mouth by the mechanical activity of chewing and saliva from the salivary amylase, an enzyme in the salivary glands.
Protein digestion occurs in the stomach where three main enzymes, pepsin secreted by the stomach, and trypsin and chymotrypsin secreted by the pancreas. The enzymes would break down the food proteins into polypeptides and into smaller and smaller pieces until they are amino acids.
4 0
2 years ago
Read 2 more answers
The formation of ova, or female reproductive cells, occurs when diploid germ cells undergo meiosis. In female swamp wallabies (W
Degger [83]

Answer:

(Choice B) 555 homologous pairs of chromosomes comprising a total of 202020 chromatids

Explanation:

Homologous chromosome are those two chromosomes which have same gene but different in shape and appearance. Chromatids are the identical copies of chromosome. Single chromosome splits into double number of chromatids. In 555 pairs, 101010 chromosomes are present so 101010 chromosomes splits into 202020 chromatids.

5 0
2 years ago
Tasha is testing the effect of blue-colored light on the growth of tomato plants. Which is the independent variable in this expe
tester [92]

Answer:

the answer to this question is the light colour

6 0
2 years ago
Phasic receptors adapt quickly to a stimulus. For that reason, they are good at detecting changes instead of constantly signalin
Ainat [17]

Answer:

TRUE

Explanation:

Phasic receptors are sensory receptors that are fast acting in detecting changes in the strength of a particular stimulus or signal to the brain. They are  fast adapting receptor cells that detect changes in the strength of a stimulus. Because of this fast adapting ability, they cannot be used by the CNS in constant signalling of stimulus. A different receptor called Tonic receptors are used by the brain for constant signalling because they are slow reacting cells are they continue to transmit signals to the CNS along as the stimulus remains and not to changes in the pressure or strength of the stimulus. Phasic receptors are so important in predicting the changes in the body fora given time and this helps to quantify how body can react to increase or release of a stimulus. because when  stimulus is added it signals the brain for some time and it signals stops but when the stimulus is released, it also signals the brain detecting bodily deformations to various stimulus.

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2 years ago
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