32 Questions
What term describes populations of different species that occupy the same region at the same time?
Community
What is the global ecosystem that includes the parts of the planet where life is possible?
Biosphere
What is the process collectively called that allows organisms to acquire and use energy and nutrients to sustain life?
Metabolism
Which category of organisms makes their own food by extracting energy and nutrients from non-living sources?
Autotrophs
What is the term for the state of internal constancy that cells must maintain to survive?
Homeostasis
Which type of organisms absorb energy and nutrients from wastes or dead organisms?
Decomposers
Autotrophs are organisms that:
Make their own food by extracting energy from non-living sources
What are the two basic ways in which reproduction occurs?
Asexual and sexual
Which process results in offspring that are virtually identical to the parent?
Asexual reproduction
Why does sexual reproduction contribute to tremendous diversity in a population?
Because it involves mixing genes from two parents
Which type of reproduction is advantageous in environments where conditions change frequently?
Sexual reproduction
What must an organism do before it can reproduce?
Mature into an adult
In which organisms is sexual reproduction common?
Plants, animals, and fungi
What does genetic diversity enhance in a population?
Survival under changing conditions
What does reproduction transport from generation to generation?
DNA only
What is the smallest chemical unit of a pure substance (element)?
Atom
Which level of organization consists of a group of joined atoms?
Molecule
What is the fundamental unit of life?
Cell
Which characteristic of life involves the function of metabolism?
Energy Use
What level of organization consists of organs connected physically or chemically that function together?
Organ system
Which characteristic of life involves natural selection?
Evolution
What is a membrane-bounded structure with a specific function in a cell called?
Organelle
'Homeostasis' refers to the maintenance of what in living organisms?
'Internal Consistency'
What is the main purpose of adaptations in organisms?
To ensure they survive and reproduce successfully in their environment
Which of the following best describes an adaptation?
An inherited characteristic that improves an organism's chances of survival and reproduction
Why is the example of the Peppered moth mentioned in the text significant?
It shows how human activities can influence natural selection and adaptation in organisms
Which statement best describes the purpose of a praying mantis's physical adaptations?
To camouflage itself effectively
What does the statement 'Of all the offspring in a population, the ones that will outcompete the others and live long enough to reproduce are the ones with the best adaptations.' imply?
Offspring compete for resources within a population
In the context of adaptations, what does 'Camouflage' refer to?
The ability of organisms to blend in with their surroundings for protection
'An adaptation is an inherited characteristic or behavior that enables an organism to survive and reproduce successfully in its environment.' Which part of this statement emphasizes the importance of adaptations?
'Survive and reproduce successfully'
Why is it mentioned that 'If the Peppered moth had not been able to adapt its colouration to the human-impacted environment, it likely would have gone extinct over a century ago.'?
To emphasize the consequences of not adapting to changing environments
'Life ensures that organisms are well suited for their environment.' What is implied by this statement?
'Organisms exhibit characteristics that match their environment'
Test your knowledge on the concept of reproduction in organisms, including asexual and sexual reproduction, genetic inheritance, and the importance of DNA in transferring information across generations.
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