eco, oeco-, oec-

1. An (imaginary) era in the future when humans live in harmony with nature and the Earth.
2. A reference to the promise of a coming era when humans live in a mutually enhancing relationship with the larger community of life systems.

The Ecozoic Era could also be called the “ecological age”.

In biology, the study of intraspecific variations and genetic compositions in relation to the environment.

1. A parasite occupying two or more different hosts at different stages of a life cycle.
2. A non host-specific parasite.
3. A reference to a unisexual organism in which male and female gametes are produced by different individuals.

The ecology of a macrohabitat or larger generalized area.

1. A branch of economics that focuses on the general features and processes that make up a national economy and the ways in which different segments of the economy are connected (takes a singular verb).
2. A branch of economics dealing with the broad and general aspects of an economy; such as, the relationship between the income and investments of a country as a whole.

This is the field of economics that studies the behavior of the aggregate economy including economy-wide phenomena; such as, changes in unemployment, national income, rate of growth, gross domestic product, inflation, and price levels.

Macroeconomics is focused on the movement and trends in the economy as a whole, while in microeconomics the focus is placed on factors that affect the decisions made by firms and individuals.

The factors that are studied by macro and micro will often influence each other; for example, the current level of unemployment in the economy as a whole will affect the supply of workers which an oil company can hire from.

The economy viewed as a whole and in terms of all those factors that control its overall performance.

The ecology of a microhabitat (very small area).

The study of specific or localized aspects of an economy (takes a singular verb).

A fear of home surroundings and certain items in the home (electrical, etc.).

Ecology that deals with fossil organisms.

A student of synecology.

1. The structure, development, and distribution of communities in relation to their environments.
2. The study of plant or animal communities.

The study of the relationships between animals and their environments; animal ecology.