ASVAB prep - General Science - Ecology

In taxonomy, which classification comes after ‘family’?

Genus.

Plants are autotrophs, meaning that they _________.

Are able to produce their own food.

Which of the following is NOT one of the 6 basic animal groups?

Humans.

Carbon dioxide can be consumed and converted into glucose by what type of organism?

Plants.

Which type of symbiotic relationship takes place when one member of the association benefits while the other is harmed?

Parasitism.

Which of the following are NOT decomposers?

Vultures.

Which of the following is a characteristic of the tundra ecological biome?

Landscape dominated by mosses, lichens, and dwarf shrubs.

Which of the following biological classifications is the largest and most inclusive?

Kingdom.

Animals that feed exclusively on plants are called _________.

Primary consumers.

Organisms which help one another survive by providing a mutual benefit to each other are known as _________.

Symbionts.

How do consumers differ from producers in a food web?

Consumers consume other organisms for energy.

What is the purpose of classifying living organisms?

To organize and categorize them based on similarities and differences.

How is an ecosystem classified based on its trophic levels?

By the position of organisms in the food chain.

How does energy flow through a food web?

In a unidirectional manner.

What classification term denotes the most specific level of organization for living organisms?

Species.

Which domain includes multicellular organisms with a defined nucleus?

Eukaryota.

How are organisms classified in the living things classification system?

Based on shared characteristics.

In a food web, what is the primary function of decomposers?

To break down dead organic matter and recycle nutrients.

What is the primary difference between a food chain and a food web?

A food chain represents a single energy pathway, while a food web shows multiple interconnected paths.

What is the primary role of a producer in a food web?

To create their own food through photosynthesis.

What is the importance of biodiversity in an ecosystem?

Promotes ecosystem stability and resilience.

What is the hierarchical order of classification terms from broadest to most specific?

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.

What trophic level would an omnivore belong to in a consumer hierarchy?

Omnivores can occupy multiple trophic levels.

What are the three domains of life in the biological classification system?

Archaea, Bacteria, and Eukarya.

Which of the following is an example of a primary consumer in a food web?

Rabbit.

In a consumer hierarchy, what type of organism feeds exclusively on producers?

Primary consumers.

In a consumer hierarchy, what is the role of a secondary consumer?

Feeding on primary consumers.

What is the primary function of a consumer in an ecosystem?

Obtaining energy by consuming other organisms.

What is a key characteristic used to classify organisms into different domains?

Type of cell (prokaryotic or eukaryotic).

What is the classification term used for arranging living organisms into hierarchical categories based on their characteristics?

Taxonomy.

How does the classification of living things help in understanding ecological relationships?

Organizing the diversity of life and identifying relationships.

How are organisms classified in the Linnaean system of taxonomy?

Based on shared characteristics into a hierarchical structure.

How do organisms in the same domain share similar characteristics?

Similar cell structure, biochemistry, and genetic material.

The part of Earth where life exists, including all living organisms and their physical environments, is known as the _________.

Biosphere.

Which domain does an organism such as E. coli belong to?

Bacteria.

Organisms that consume dead or decaying matter are called _________.

Scavengers.

A community of living organisms interacting with their nonliving environment is called a(n) _________.

Ecosystem.

In a food chain, what is the ultimate source of energy?

Sunlight.

What is the process of grouping living things based on shared characteristics known as?

Classification.

In a food chain, energy is transferred from one organism to another. What happens to the amount of energy as it moves up the food chain?

It decreases.

In a food web, what term is used to describe an organism that feeds on both plants and animals?

Omnivore.

What ecological classification term is used to describe the role of an organism within its ecosystem?

Ecological niche.

In a food web, which type of organism is responsible for converting sunlight into energy that can be used by other organisms?

Producers.

What is the correct order of the consumer hierarchy in an ecosystem, starting from the primary consumers?

Primary consumers, secondary consumers, tertiary consumers, quaternary consumers.

Which of the following is an example of a tertiary consumer in a consumer hierarchy?

Lion.