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Nezavi [6.7K]
3 years ago
12

Disadvantages of internal fertilisation ​

Biology
1 answer:
Over [174]3 years ago
5 0

Answer:

Explanation:

Disadvantages of internal fertilization are that there are lesser number of offspring produced at a given time because it is sometimes difficult for the male and female to come into intimate contact. Additionally, the risk of sexually transmitted diseases also increases.

mark me brainlest plss

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One astronomical unit (AU) averages about.
Inga [223]
About 93 million miles or 150 km or 8 light minutes (don't know what that means) 
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3 years ago
Read 2 more answers
Help please!........................................................
bogdanovich [222]

Answer:

The correct order would be

  • Glucose
  • ATP→ADP
  • H₂O
  • Pyruvate
  • CO₂

Explanation:

Following reactions occur in Glycolysis and Kreb's Cycle

  1. Phosphorylation of Glucose- In the first step of glycolysis, Glucose is converted into Glucose-6-Phosphate using 1 ATP molecule by Hexokinase enzyme. One phosphate group from ATP is attached to glucose by the enzyme, thus forming ADP.
  2. Dehydration- In the ninth step of Glycolysis, each of two molecules of  2-Phosphoglycerate are converted to Phosphoenol Pyruvate, by Enolase enzyme, releasing two H₂O molecules.
  3. Formation of Pyruvate- In the last or tenth step of Glycolysis, each of two molecules of Phosphoenol Pyruvate are converted to Pyrutave using an ATP by the enzyme Pyruvate Kinase.
  4. Oxidation Of Pyruvate to Acetyl-CoA- Before the Kreb's Cycle starts, the Pyruvate molecule obtained from the Glycolysis undergoes oxidative decarboxylation producing Acetyl-CoA and release of CO₂ and NADH.
4 0
3 years ago
(PLEASE HELP 20 POINTS)
kherson [118]

Answer:

1. b 2.c 3. d 4. c 5. d 6. a 7.a 8.b 9.c 10. a

Explanation:

8 0
2 years ago
Describe two forms of mechanical weathering.
GalinKa [24]
1.Frost Wedging (Freeze-Thaw)

Water expands by 9 percent when it freezes. As it expands, it exerts up to 4.3 million pounds per square foot of pressure. Since water seeks low points, repeated freezing and thawing can lead to deep vertical fissures as cracks are extended downward. Cracks that allow entry of roots lead to similar wedging.


2.Crystal Formation

Crystal formation cracks rock in a similar way. Most water contains dissolved salts. When water in rock fissures evaporate, the salt concentration increases, which leads to crystallization. This occurs in arid regions where the humidity fluctuates widely, so that the salt can be redissolved and carried into new fissures.

hope i helped
5 0
3 years ago
Nuclei with a higher than desired neutron-to-proton ratios tend to undergo which type of decay?
alexira [117]
Hey there!

Nuclei with a high neutron-to-proton ratio usually undergo a beta emission.

Beta emissions, unlike some other types, is radioactive decay throughout these particles, and can have half lives like other types of exponential (usually) decay. Neutrino, along with <em>beta rays,</em> are coming from, or emitted from the nucleus - hence the name.

Hope this helps!
8 0
3 years ago
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