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The evolution of organisms in the five k...

The evolution of organisms in the five kingdoms is most accurately described by which of the following sequences ?
(a) Monera to Fungi to Protists to Plants to Animals
(b) Monera to Protists, from Protists separately to Fungi, Plants, and Animals
(c) Protists to Monera to Fungi, from Fungi separately to Plants and Animals
(d) Monera to Protists, separately to Animals and Plants with Fungi, a loss of plant photosynthesis

A

Monera to Fungi to Protists to Plants to Animals

B

Monera to Protists, from Protists separately to Fungi, Plants, and Animals

C

Protists to Monera to Fungi, from Fungi separately to Plants and Animals

D

Monera to Protists, separately to Animals and Plants with Fungi, a loss of plant photosynthesis

Text Solution

AI Generated Solution

The correct Answer is:
To determine the correct sequence of evolution of organisms in the five kingdoms, we need to analyze the options provided based on the five-kingdom classification proposed by R.H. Whittaker. ### Step-by-Step Solution: 1. **Understanding the Five Kingdoms**: The five kingdoms are Monera, Protista, Fungi, Plantae, and Animalia. Each kingdom represents a different group of organisms with distinct characteristics. 2. **Identifying the Origin**: The first kingdom to appear on Earth is Monera, which consists of unicellular prokaryotic organisms (e.g., bacteria). This is the starting point of evolution. 3. **Evolution to Protista**: From Monera, the next stage in evolution is the emergence of Protista. Protists are primarily unicellular eukaryotic organisms, indicating a transition from prokaryotic to eukaryotic life forms. 4. **Divergence from Protista**: After the Protista kingdom, the organisms further evolved into three distinct groups: - **Fungi**: These can be unicellular or multicellular eukaryotic organisms that are heterotrophic. - **Plantae**: These are multicellular eukaryotic organisms that are autotrophic, capable of photosynthesis. - **Animalia**: These are also multicellular eukaryotic organisms that are heterotrophic. 5. **Analyzing the Options**: - **Option A**: Monera to Fungi to Protists to Plants to Animals - This is incorrect as it does not follow the correct evolutionary sequence. - **Option B**: Monera to Protists, from Protists separately to Fungi, Plants, and Animals - This correctly describes the evolutionary sequence. - **Option C**: Protists to Monera to Fungi, from Fungi separately to Plants and Animals - This is incorrect as it places Protists before Monera. - **Option D**: Monera to Protists, separately to Animals and Plants with Fungi, a loss of plant photosynthesis - This is also incorrect as it misrepresents the relationship between these kingdoms. 6. **Conclusion**: The most accurate description of the evolution of organisms in the five kingdoms is given by **Option B**: Monera to Protists, from Protists separately to Fungi, Plants, and Animals. ### Final Answer: **(b) Monera to Protists, from Protists separately to Fungi, Plants, and Animals.**

To determine the correct sequence of evolution of organisms in the five kingdoms, we need to analyze the options provided based on the five-kingdom classification proposed by R.H. Whittaker. ### Step-by-Step Solution: 1. **Understanding the Five Kingdoms**: The five kingdoms are Monera, Protista, Fungi, Plantae, and Animalia. Each kingdom represents a different group of organisms with distinct characteristics. 2. **Identifying the Origin**: The first kingdom to appear on Earth is Monera, which consists of unicellular prokaryotic organisms (e.g., bacteria). This is the starting point of evolution. ...
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