What do gradualism and punctuated equilibrium have in common?

Answers

Answer 1
Answer:

Answer:

They are both explanations of the rate of evolutionary change.

Explanation:

Gradualism is that evolution occurs at a slow and steady pace. Gradualism brings small variation to particular species, it occurs over a long period of time.

In punctuated equilibrium, change comes in spurts. Punctuated Equilibrium is the time in which species are stable but now and then there is a disruptive event that promotes frequent changes.

Answer 2
Answer:

Final answer:

Gradualism and punctuated equilibrium are theories of evolution that both rely on natural selection and describe change in species over long periods of time. They differ in the rate and frequency of that change, with gradualism suggesting a slow, steady change and punctuated equilibrium suggesting rapid, drastic shifts followed by periods of stability.

Explanation:

Both gradualism and punctuated equilibrium are theories in evolutionary biology that describe how species evolve over time. They share commonalities in that they both rely on the process of natural selection, and they both describe change in species over long periods of time. However, they differ in the rate and consistency of that change. Gradualism suggests that evolution occurs slowly and consistently, while punctuated equilibrium proposes that evolution happens in fast, significant changes followed by long periods of stability.

For instance, the theory of gradualism is often compared to the slow but steady change associated with erosion. On the other hand, punctuated equilibrium is likened to a natural disaster leading to a sudden, significant shift in an ecosystem. Despite these differences, it's crucial to realize that both theories are part of the broader understanding of evolution and aim to explain the complex and dynamic nature of life on Earth.

Learn more about Evolutionary Theories here:

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Layers of epithelial tissue that serve as barriers to pathogens is called

Answers

Answer:

The correct answer is: Mucus membrane.

Explanation:

  • The lining of the epithelial tissue forming the mucus membrane contains some specialised cells which are called the Goblet cells.
  • These cells secrete a slippery substance called the Mucus.
  • The Mucus is a dense, aqueous and slippery substance that is composed of anti-microbial enzymes like lysosyme, immunoglobulins (antibodies) and glycoproteins like mucins.
  • The mucus secreting cells line the internal tracts of the body that come into contact with outside environment, like the respiratory tract, alimentary canal, urino-genital tract.
  • If any microbial pathogen gain access into any of these tracts the lysosyme in the mucus causes the microbial cells to undergo lysis, hence killed.
  • The immunoglobulins, on recognising a pathogen, activate the immune cells of the body to fight against the intruding pathogen.

How do healthy ecosystems benifit humans?

Answers

"Ecosystem services are the benefits that people obtain from ecosystems. ... From the availability of adequate food and water, to disease regulation of vectors, pests, and pathogens, human health and well-being depends on these services and conditions from the natural environment." According to the World Health Organization

The oldest known fossils on Earth are most similar to: Question 1 answers animals plants fungi bacteria

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the oldest fossil known to emerged is actually BACTERIA.

What biological macromolecule is made up of monomers like the one shown below?A monomer made up of a nitrogenous base, a five-carbon sugar, and a phosphate group bonded together.

Carbohydrate
Nucleic acid
Fat
Protein

Answers

Answer:

Nucleic acid.

Explanation:

Biomolecules are the important molecules that makes up the constituent of the living organism. Four important types of biomolecule are proteins, carbohydrates, lipids and nucleic acid.

Nucleic acids are DNA nad RNA molecule. They are the polymers of nucleotides. The nucleotides consist of a five carbon sugar, nitrogenous base and the phosphate group.

Thus, the correct answer is option (2).

Answer:

Option 2

Explanation:

Biomolecules are the important molecules that makes up the constituent of the living organism. Four important types of biomolecule are proteins, carbohydrates, lipids and nucleic acid.

Nucleic acids are DNA nad RNA molecule. They are the polymers of nucleotides. The nucleotides consist of a five carbon sugar, nitrogenous base and the phosphate group.

Write about major glands associated with the alimentary canal of man and mention their function

Answers

The glands which are associated with alimentary canal are
1. Salivary glands: These produce saliva
2. Gastric glands: These secrete gastric juice
3. Intestinal glands: These secrete intestinal juice
4. Liver: It secretes bile
5. Pancreas: It secretes pacreatic juice and hormone

How can we decrease the amount of atmospheric CO2

Answers

Answer:

less pollution

Explanation:

we need to 1. stop burning fossil fuels in to the air leading in air pollution, 2. stop industry's burnings to create goods, 3. stop burning of plastics and or any other trash, 4. stop dumping our trash into the ocean. 5. stop creating plastics and 6. use electric vehicles

plz i need brainiest so i hope this helps

Answer:

nah

Explanation:

nah