More research may help clarify the ecological relationships of the plant.

Note that these ecological relationships are between eaters and whole foods, not nutrients.

Humans have become an integral part of this ecological relationship between bear and tree.

The ecological relationships in this biological control of parasites have been studied by various groups.

Symbiosis is a close ecological relationship between the individuals of two (or more) different species.

Some may even have long-term implications for behavioral and ecological relationships.

Their approach offered little chance of understanding complex ecological relationships.

Work in a museum did not encourage the study of what we should now call ecological relationships.

It was certainly possible to study what would now be called ecological relationships before the founding of scientific ecology.

This is often counter-intuitive to every day common sense thinking which people without a knowledge of ecological relationships tend to use to understand things.