Podcast
Questions and Answers
Which characteristic is NOT required for something to be considered alive?
Which characteristic is NOT required for something to be considered alive?
- Must have at least one cell
- Must be able to grow and develop
- Must maintain homeostasis
- Must be able to photosynthesize (correct)
In the context of metabolism, what role do producers play in an ecosystem?
In the context of metabolism, what role do producers play in an ecosystem?
- They provide nutrients to heterotrophs
- They consume other organisms for energy
- They convert solar energy into chemical energy (correct)
- They break down organic material
What are organisms that have no nucleus classified as?
What are organisms that have no nucleus classified as?
- Heterotrophs
- Prokaryotes (correct)
- Multicellular organisms
- Eukaryotes
Which of the following sequences illustrates the correct order of biological organization from simplest to most complex?
Which of the following sequences illustrates the correct order of biological organization from simplest to most complex?
What concept introduced by Charles Darwin explains the process by which nature selects beneficial traits?
What concept introduced by Charles Darwin explains the process by which nature selects beneficial traits?
Flashcards
Characteristics of Life
Characteristics of Life
Seven key features that define living organisms: unicellularity/multicellularity, metabolism, reproduction, growth/development, adaptation/evolution, homeostasis, and irritability/instinct.
Evolution
Evolution
The process through which species change gradually over many generations, driven by natural selection.
Emergent Properties
Emergent Properties
New properties or characteristics that arise when simpler components interact, creating a more complex system (the whole is greater than the sum of its parts).
Producers (Autotrophs)
Producers (Autotrophs)
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Natural Selection
Natural Selection
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