Ecology

Ecology (from Greek oikos, "house(hold)"; and -logia) is the scientific study of the distribution and abundance of life and the interactions between organisms and their natural environment. The environment of an organism includes physical properties, which can be described as the sum of local abiotic factors such as insolation (sunlight), climate, geology, and biotic ecosystem, which includes other organisms that share its habitat.

The word "ecology" is often used more loosely in such terms as social ecology and deep ecology and in common parlance as a synonym for the natural environment or environmentalism. Likewise "ecologic" or "ecological" is often taken in the sense of environmentally friendly.

The term ecology or oekologie was coined by the German biologist Ernst Haeckel in 1866, when he defined it as "the comprehensive science of the relationship of the organism to the environment." Haeckel did not elaborate on the concept, and the first significant textbook on the subject (together with the first university course) was written by the Danish botanist, Eugenius Warming. For this early work, Warming is often identified as the founder of ecology.

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9 Items found Print
Active Filters: Preschool (Ages 4-5), New Books & Materials
Antarctica
by Helen Cowcher
from Square Fish Publishing
for Preschool-2nd grade
in Arctic & Tundra (Location: SCI-ECO)
$8.99
Over and Under the Canyon
by Kate Messner, illustrated by Christopher Neal
from Chronicle Books
for Preschool-2nd grade
in Oversized Science Books (Location: SCI-OVER)
$9.99
Polar Opposites
by Erik Brooks
from Two Lions
for Nursery-2nd grade
in Picture Books (Location: PICTURE)
$14.44
Pond
by Jim Lamarche
from Simon and Schuster
for Preschool-2nd grade
in Picture Books (Location: PICTURE)
$16.99
Sundust
by Zeke Pena
from Kokila
for Preschool-2nd grade
2026 Caldecott Honor Book
in Picture Books (Location: PICTURE)
$16.99
Up in the Garden and Down in the Dirt
by Kate Messner, illustrated by Christopher Neal
from Chronicle Books
for Preschool-2nd grade
in Nature Study & Journaling (Location: NAT-GEN)
$9.99
We Are Water Protectors
by Carole Lindstrom, illustrated by Michaela Goade
from Roaring Brook Press
for Preschool-2nd grade
2021 Caldecott Medal winner
in Picture Books (Location: PICTURE)
$15.29
Who Lives at the Seashore?
by Glenn O. Blough, illustrated by Jeanne Bendick
from Purple House Press
for Preschool-3rd grade
in Living Science (Location: SCI-CMLS)
$13.99
Who Lives in This Meadow?
by Glenn O. Blough, illustrated by Jeanne Bendick
from Purple House Press
for Preschool-3rd grade
in Living Science (Location: SCI-CMLS)
$12.99