A group of individuals of the same species living in a certain region.

A group of organisms with similar structures and functions that reproduce with each other by having fertile offspring.

Number of individuals of a species per unit area, at a given time.

Symbiotic relationship in which one organism benefits and the other neither benefits nor harms.

Biome characterized by plants with modifications, xerophytes and cacti distributed in dispersed form and large areas of bare soil, high temperatures during the day and very low at night.

Name of the linear relationship of who eats whom within a community.

In a linear food chain in which an eagle, a mouse, grass, an insect and a snake are found, indicate in which trophic level the mouse is located.

The carrying capacity refers to the maximum number of individuals of a particular species that a specific environment can support over time.

When the number of organisms remains at a relatively constant level from one year to the next, it is said to be a fluctuating population.

Organisms with wide margins of tolerance for many factors are the least likely to have a wide distribution.

Ecological succession refers to the gradual and predictable process of change in species composition that takes place in an ecological community over time.

A biome is a classification of areas based on factors such as climate, soil type, and the plant and animal life they support, making each biome distinct from others.

Biotic factors are the different components that determine the physical space in which living beings inhabit; among the most important we can find: water, temperature, light, pH, soil, humidity, air and nutrients.

The Egyptian plover supposedly removes rotting meat & parasites from the snout of crocodiles. This type of symbiotic relationship is called mutualism.

Select the 3 factors that regulate the density of a population.

Identify the spatial distribution pattern of this dandelion population

Identify the spatial distribution pattern of this penguin population

Identify the spatial distribution pattern of this starfish population

Identify the level of organization depicted

Identify the level of organization depicted

Identify the level of organization depicted

Identify the level of organization depicted

Identify the level of organization depicted

Which of the following animals are vertebrates?