Biology Quiz on Living Organisms

MRS GREN stands for Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, and Nutrition.

A species is defined as a group of organisms that can reproduce to produce fertile offspring.

Excretion is the removal of toxic or waste material from organisms, which is essential for maintaining internal balance.

<p>The five kingdoms are Animals (e.g., Lion), Plants (e.g., Oak tree), Fungi (e.g., Mushroom), Protists (e.g., Amoeba), and Prokaryotes (e.g., Escherichia coli).</p> Signup and view all the answers

<p>Sensitivity allows organisms to detect stimuli in their environment, enabling them to respond appropriately for survival.</p> Signup and view all the answers

<p>Animals are multicellular organisms that feed on other organisms to create organic substances, and their cells contain a nucleus but lack chloroplasts and cell walls.</p> Signup and view all the answers

<p>In the binomial system, the first letter of the genus name is capitalized to distinguish it from the species name, which is written in lowercase.</p> Signup and view all the answers

<p>Dichotomous keys provide a step-by-step approach for identifying organisms by asking a series of questions about their specific characteristics.</p> Signup and view all the answers

<p>The unique features of animals, such as being multicellular and heterotrophic, define their classification within the animal kingdom as distinct from other kingdoms like plants and fungi.</p> Signup and view all the answers

<p>To identify an unknown organism using a dichotomous key, one must carefully answer the sequential questions based on the organism's characteristics until reaching its identification.</p> Signup and view all the answers

Features that identify living organisms, including movement, respiration, sensitivity, growth, reproduction, excretion, and nutrition.

A group of organisms capable of interbreeding to produce fertile offspring.

Chemical reactions in cells that release energy from nutrients.

Permanent increase in weight or dry mass of an organism.

Ability to detect and respond to changes in the environment.

Animals are multicellular and eat other organisms to obtain energy; their cells have a nucleus but lack chloroplasts and cell walls.

A two-part naming system for species using genus and species names (e.g., Homo sapiens).

A tool used to identify organisms based on a series of yes/no questions about their characteristics.

The first part of a species name (e.g., Homo in Homo sapiens).

The second part of a species name (e.g., sapiens in Homo sapiens).