1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lisov135 [29]
3 years ago
8

What is thought to have caused the mass extinction at the end of the Cretaceous Period?

Biology
1 answer:
My name is Ann [436]3 years ago
8 0
It was believed that a asteroid hit the Earth (specifically Mexico) when the asteroid hit it caused a freezing darkness due to dust and debris being kicked up by the asteroid . The dust and debris blocked the sunlight causing a temperature drop.
You might be interested in
In the phylum cnidaria, jellies are members of the ________ clade and corals are members of the ________ clade.
dybincka [34]
The answer is scyphozoan; anthozoan.

In the phylum cnidaria, jellies are members of the <u>scyphozoan</u> clade and corals are members of the <u>anthozoan</u> clade. Cnidaria is a phylum of aquatic invertebrates. It includes sea anemones, corals, jellyfish, box jellies, Hydra, etc. Corals are the members of class Anthozoa and jellies are members of class Scyphozoa.
7 0
3 years ago
Explain why a silent mutation might not affect the protein for which it codes
jasenka [17]
Codons that code for the same amino acid are termed synonyms, Silent mutations are base substitutions that result in no change of the amino acid or amino acid functionality when the altered messenger RNA (mRNA) is translated.
7 0
3 years ago
Which of the following statements is FALSE? a) A cell will shrink when the concentration of electrolytes is greater inside the c
uranmaximum [27]

Answer:

a) A cell will shrink when the concentration of electrolytes is greater inside the cell than outside the cell. FALSE

Explanation:

The regulation of cell fluid is caused by molecules called as Electrolytes. The higher concentration of these electrolytes outside the cells or lower concentration inside the cells will suck water outside the cells. Water is pumped to the area where the concentration of electrolytes is high. It is also clears from the Option d) that water follows the movement of electrolytes so it means that water will move to out if the concentration of electrolytes outside the cells is high which will cause shrinkage of cell organelles.

5 0
3 years ago
Which two atoms form an ionic bond
julia-pushkina [17]

Answer:

GO learn dont cheat and the answer is B.

Explanation:

4 0
3 years ago
Describe how gametogenesis in egg cells is different that that of sperm cells
Dmitry [639]

Answer AND Explanation:

Gametogenesis is the formation of gametes. Formation of sperms also called spermatogenesis takes place in the testes while formation of eggs also called oogenesis takes place in the ovary. Oogenesis in females begins before birth, however maturation of the eggs take a very long time and is only complete after fertilization. In males sperm formation only occurs after puberty.

7 0
3 years ago
Other questions:
  • If wolf-like morphology occurs in the animals that share it because this body form produces a very efficient predator, the morph
    15·1 answer
  • When hooke first used the term cell did he intend to have it apply to living material
    14·2 answers
  • Science has shown how information can only be gathered by the known laws of physics and chemisty.
    14·1 answer
  • Difference between Cell membrance and cell wall​
    9·2 answers
  • All you need is on the photo
    15·2 answers
  • PLEASE PLEASE HELP!! TIMED QUIZ PLEASE!!
    8·1 answer
  • A leading fruit juice manufacturing company wants to launch a new flavor in the market. For this, the company wants Information
    6·2 answers
  • Please help me asap ill mark you as brainiest
    9·2 answers
  • In the Northern Hemisphere, climate scientists observe seasonal changes in carbon dioxide concentration with the highest levels
    15·1 answer
  • How does natural selection negatively impact humans? Use complete sentences to explain with the help of an example.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!