What does the term "ethics" refer to?
A) Laws and regulations
B) Moral principles that govern behavior
C) Physical fitness
D) Scientific methods
B) Moral principles that govern behavior
In a food chain, energy flows from:
A) Producers to consumers
B) Consumers to decomposers
C) Decomposers to producers
D) All of the above
A) Producers to consumers
What is the primary role of producers in a food chain?
A) To consume energy
B) To create energy through photosynthesis
C) To decompose organic matter
D) To compete for resources
B) To create energy through photosynthesis
What type of organisms are typically found at the top of a food chain?
A) Primary producers
B) Herbivores
C) Carnivores or apex predators
D) Decomposers
C) Carnivores or apex predators
Ethics in environmental science often involves:
A) Exploiting natural resources
B) Protecting ecosystems and species
C) Ignoring pollution
D) Favoring certain species over others
B) Protecting ecosystems and species
What is one way to manage invasive species?
A) Ignoring their presence
B) Introducing more invasive species
C) Controlling their population through various methods
D) Encouraging their spread
C) Controlling their population through various methods
Abiotic factors in an ecosystem include:
A) Living organisms
B) Sunlight, air, and water
C) Bacteria and fungi
D) Predators and prey
B) Sunlight, air, and water
A symbiotic relationship is one where:
A) One organism is harmed
B) Both organisms benefit
C) One organism is unaffected
D) Both organisms are harmed
B) Both organisms benefit
Livestock refers to:
A) Wild animals
B) Farm animals raised for food or other products
C) Pets
D) Endangered species
B) Farm animals raised for food or other products
Which is a benefit of a symbiotic relationship?
A) Competition
B) Mutual support
C) Disease spread
D) Habitat destruction
B) Mutual support
An example of an ethical dilemma could be:
A) Choosing between two equally beneficial options
B) Deciding whether to report unethical behavior
C) Picking a favorite ice cream flavor
D) Choosing a book to read
B) Deciding whether to report unethical behavior
Which of the following is an example of replicating behavior in nature?
A) A tree growing taller
B) A frog laying eggs
C) A deer grazing
D) A bird migrating
B) A frog laying eggs
How do the different living parts of an ecosystem, such as plants and animals, interact to keep the ecosystem functioning as a whole?
A) Plants produce oxygen through photosynthesis, which animals need to breathe.
B) Animals only consume plants and do not contribute anything back to the ecosystem.
C) Different species compete for the same resources, leading to a decline in biodiversity.
D) Plants and animals do not interact; they exist independently of each other.
A) Plants produce oxygen through photosynthesis, which animals need to breathe.
A micro-ecosystem is:
A) A large region with distinct climate and vegetation
B) A small, localized ecosystem such as a pond or a single tree
C) A type of biome
D) An ecosystem that is artificially created
B) A small, localized ecosystem such as a pond or a single tree
To replicate means to:
A) Create something new
B) Destroy something
C) Make a copy of something
D) Discard something
C) Make a copy of something
Invasive species are:
A) Native species
B) Organisms that are introduced to a new environment and disrupt the ecosystem
C) Endangered species
D) Species that are only found in zoos
B) Organisms that are introduced to a new environment and disrupt the ecosystem
What could cause a trophic cascade in an ecosystem?
A) Plant growth
B) Introduction of a new predator
C) Increase in rainfall
D) Seasonal changes
B) Introduction of a new predator
Which of the following is true about symbiotic relationships?
A) They can only be harmful.
B) They are beneficial for at least one of the organisms involved.
C) They do not exist in nature.
D) They only happen between plants.
B) They are beneficial for at least one of the organisms involved.
A food chain typically starts with:
A) Decomposers
B) Herbivores
C) Carnivores
D) Producers
D) Producers
How do plants and animals interact with each other?
A) Animals consume plants for food, and in turn, plants provide oxygen through photosynthesis.
B) Plants and animals do not interact with each other at all.
C) Animals can only live in environments without plants.
D) Plants compete with animals for sunlight.
A) Animals consume plants for food, and in turn, plants provide oxygen through photosynthesis.
Which of the following best describes a meso-ecosystem?
A) A large ecosystem that encompasses multiple biomes
B) A medium-sized ecosystem that can include areas like a forest or a grassland
C) A tiny ecosystem, like a leaf or a rock pool
D) A city environment with human structures
B) A medium-sized ecosystem that can include areas like a forest or a grassland
If an organism is resistant, it means it can:
A) Easily adapt to change
B) Withstand challenges or threats
C) Grow rapidly
D) Become a predator
B) Withstand challenges or threats
Which of the following is an example of an invasive species?
A) Bald Eagle
B) Cattle
C) Zebra Mussel
D) Oak Tree
C) Zebra Mussel
Why are invasive species a concern for ecosystems?
A) They enhance biodiversity
B) They can outcompete native species for resources
C) They are always beneficial
D) They have no impact on the environment
B) They can outcompete native species for resources
Why do scientists study trophic cascades?
A) To understand energy transfer in ecosystems
B) To eliminate all predators
C) To increase livestock production
D) To promote invasive species
A) To understand energy transfer in ecosystems
What is a common characteristic of invasive species?
A) They are beneficial to ecosystems
B) They are always large in size
C) They often reproduce rapidly and spread quickly
D) They have no natural predators in their new environment
C) They often reproduce rapidly and spread quickly
What is an ecosystem?
A) A group of the same species living together
B) A community of living organisms and their physical environment interacting as a system
C) A type of climate zone
D) A method of farming
B) A community of living organisms and their physical environment interacting as a system
Which of the following statements is true about biotic and abiotic factors?
A) They do not interact with each other.
B) Biotic factors include only plants.
C) Abiotic factors provide the necessary conditions for biotic factors to thrive.
D) Both are always harmful to ecosystems.
C) Abiotic factors provide the necessary conditions for biotic factors to thrive.
trophic cascade is:
A) A type of waterfall
B) A chain of events in an ecosystem triggered by the removal or addition of a top predator
C) A process of photosynthesis
D) A method of farming
B) A chain of events in an ecosystem triggered by the removal or addition of a top predator
Ethical behavior in science means:
A) Ignoring rules
B) Following guidelines for responsible conduct
C) Making up results
D) Working alone
B) Following guidelines for responsible conduct
Which of the following is a characteristic of ethics in decision-making?
A) Personal gain
B) Fairness and integrity
C) Ignoring consequences
D) Following trends
B) Fairness and integrity
What is a potential impact of invasive species on local wildlife?
A) Increased food sources
B) Decreased biodiversity
C) Improved ecosystem health
D) None of the above
B) Decreased biodiversity
Ethics in science can help prevent:
A) The spread of misinformation
B) Scientific discoveries
C) Collaboration between scientists
D) All of the above
A) The spread of misinformation
Which of the following is considered a biotic factor in an ecosystem?
A) Water
B) Soil minerals
C) Plants and animals
D) Temperature
C) Plants and animals
Which of the following is NOT an example of an abiotic factor?
A) Temperature
B) Water
C) Animals
D) Rocks
C) Animals