Life Science Q4 Exam Review

Front

What is binomial nomenclature?

Back

A system for naming organisms using two names: the genus name (capitalized) and the species name (lowercase).

Front

What are the rules of binomial nomenclature?

Back

1. The genus name is capitalized, the species name is lowercase. 2. Both names are italicized or underlined. 3. The entire name should not be in capital letters.

Front

What is a density-dependent factor?

Back

A factor that affects a population's growth in relation to its density, such as competition, predation, and parasitism.

Front

What is a density-independent factor?

Back

A factor that affects population size regardless of its density, such as natural disasters.

Front

What is a pathogen?

Back

A disease-causing microorganism, such as bacteria, viruses, or fungi.

Front

What is the scientific name for an organism composed of?

Back

The scientific name is made up of the genus name and the species name.

Front

Which organisms are most closely related?

Back

Organisms that share the same genus are most closely related, e.g., Equus caballas (Horse) and Equus burchellii (Zebra).

Front

What is the importance of scientific naming?

Back

It provides a universal language for scientists to communicate about species, reducing confusion.

Front

What is the difference between genus and species?

Back

Genus is a group of related species, while species is the most specific classification, identifying a single organism.

Front

What is an example of a density-dependent factor?

Back

Competition for resources is an example of a density-dependent factor.