Podcast
Questions and Answers
What is the approximate age of the beginning of life on Earth?
What is the approximate age of the beginning of life on Earth?
- 4.5 billion years ago
- 2.5 billion years ago
- 3.8 billion years ago (correct)
- 3.0 billion years ago
What is the primary characteristic that distinguishes multicellular organisms from unicellular organisms?
What is the primary characteristic that distinguishes multicellular organisms from unicellular organisms?
- The ability to perform photosynthesis
- The ability to move from one place to another
- The presence of multiple cells with specialized functions (correct)
- The presence of a cell nucleus
What is the term for organisms that obtain energy by consuming other organisms or organic matter?
What is the term for organisms that obtain energy by consuming other organisms or organic matter?
- Eukaryotic
- Prokaryotic
- Autotrophic
- Heterotrophic (correct)
What is the approximate time period when the evolution of multicellular organisms occurred?
What is the approximate time period when the evolution of multicellular organisms occurred?
What is the characteristic that is shared by all living things?
What is the characteristic that is shared by all living things?
What is the term for the process by which cells become specialized to perform specific functions?
What is the term for the process by which cells become specialized to perform specific functions?
What is the result of repeated cell divisions without cytoplasmic division?
What is the result of repeated cell divisions without cytoplasmic division?
Which characteristic of living organisms refers to the ability to react to environmental factors?
Which characteristic of living organisms refers to the ability to react to environmental factors?
What is the term for the intracellular movement of protoplasm?
What is the term for the intracellular movement of protoplasm?
What is the result of cell nuclei division and cell cytoplasm division?
What is the result of cell nuclei division and cell cytoplasm division?
Which of the following is NOT a characteristic of living organisms?
Which of the following is NOT a characteristic of living organisms?
What is the term for the sum total of chemical reactions in an organism?
What is the term for the sum total of chemical reactions in an organism?
What is the level of organization that consists of a group of similar cells that perform a specific function?
What is the level of organization that consists of a group of similar cells that perform a specific function?
What is the principle that describes the relationship between the structure and function of an organism?
What is the principle that describes the relationship between the structure and function of an organism?
What is the molecule that carries genetic information and is passed from parents to offspring?
What is the molecule that carries genetic information and is passed from parents to offspring?
What is the level of organization that consists of several organs that work together to perform a specific function?
What is the level of organization that consists of several organs that work together to perform a specific function?
What is the phrase that describes the ability of organisms to reproduce their own kind?
What is the phrase that describes the ability of organisms to reproduce their own kind?
What is true about the environment and an organism?
What is true about the environment and an organism?
What do plants obtain from their surroundings to make food?
What do plants obtain from their surroundings to make food?
What is the result of plants releasing oxygen?
What is the result of plants releasing oxygen?
What is the primary source of energy in an ecosystem?
What is the primary source of energy in an ecosystem?
What is the process by which organisms maintain a stable internal environment?
What is the process by which organisms maintain a stable internal environment?
What is the outcome of a plant's roots breaking up rocks and releasing acids?
What is the outcome of a plant's roots breaking up rocks and releasing acids?
What is the brain's response when the body temperature varies slightly from 37°C?
What is the brain's response when the body temperature varies slightly from 37°C?
What is the theory that proposes that life on Earth began from rocks and other debris from impacts?
What is the theory that proposes that life on Earth began from rocks and other debris from impacts?
What is the hypothetical phase of the evolutionary history of life on Earth in which self-replicating RNA molecules proliferated?
What is the hypothetical phase of the evolutionary history of life on Earth in which self-replicating RNA molecules proliferated?
What is the theory that proposes that life on Earth began due to lightning striking through rich volcanic clouds?
What is the theory that proposes that life on Earth began due to lightning striking through rich volcanic clouds?
What is the theory that proposes that Earth's oceans were covered with ice, which may have protected the compounds, allowing them to interact and create life?
What is the theory that proposes that Earth's oceans were covered with ice, which may have protected the compounds, allowing them to interact and create life?
What is the theory that proposes that the primordial soup simply continued to react with itself over time, producing more and more complex molecules, yielding life?
What is the theory that proposes that the primordial soup simply continued to react with itself over time, producing more and more complex molecules, yielding life?
What contains vast and diverse ecosystems?
What contains vast and diverse ecosystems?