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Ecology -

7th grade ecology and biomes drills

The study of how living things relate to their environments. ECOLOGY
Non-living parts of an environment ABIOTIC FACTORS
Examples are temperature, water, light, soil, Ph, pollutants, oxygen ABIOTIC FACTORS
Living or previously living parts of an environment. BIOTIC FACTORS
Examples are predation, availability of prey, parasites, available mates, competition, diseases, feces BIOTIC FACTORS
A community of organisms and their abiotic environment ECOSYSTEM
All the population of different species that live and interact in an area. COMMUNITY
A group of individuals of the same species that live together in the same area at the same time. POPULATION
A single living thing ORGANISM
A living thing (plant or algae) that can make its own food PRODUCER
These organisms must EAT producers or other organisms for energy. They do NOT photosynthesize. CONSUMER
These organisms eat only plants HERBIVORES
These organisms eat only other animals CARNIVORES
These organisms eat either plants or other animals OMNIVORE
These organisms break down dead things and return the nutrients to the soil - i.e. fungi or bacteria DECOMPOSERS
These animals eat dead or dying animals. They do NOT return the nutrients to the soil. i.e. vultures SCAVENGERS
This can determine the type and number of organisms an environment can support. It limits a population's size. LIMITING FACTOR
The process where plants (and some algae) produce their own food PHOTOSYNTHESIS
An animal that hunts and eats other animals PREDATOR
An animal that is eaten by the predator PREY
A single pathway that energy and nutrients may follow in an ecosystem; arrows point the direction energy flows. FOOD CHAIN
A complex of interrelated food chains FOOD WEB
Any inherited trait that increases an organism's chance of survival ADAPTATION
Large regions with a specific climate and specific types of plants and animals. BIOMES
The set of orderly and predictable changes an ecosystem goes through as it develops or regrows. SUCCESSION
The type of succession where an ecosystem WAS NOT present before. Ex: no soil...bare rock PRIMARY SUCCESSION
A typical plant which is the first species seen in primary succession LICHENS
The type of succession where an ecosystem WAS present before. ex: soil is present SECONDARY SUCCESSION
The first species of organisms to grow in an area undergoing ecological succession. PIONEER SPECIES
Typical plants which are the first species seen in secondary succession FAST GROWING WEEDY PLANTS
Coldest biome, little precip, ice, snow, permafrost, no trees, reindeer, polar bears TUNDRA
Biome with conifer forests, fir, pines, few small plants, poor soil, moose, wolf lynx. Hibernators TAIGA/CONIFEROUS FORESTS/BOREAL FOREST
Biome with trees that drop their leaves in the autumn. Fertile soil, 4 distinct seasons. Warm/cold blooded animals. Deer, squirrel, raccoon, oak and apple trees. Broad leaf trees DECIDUOUS FOREST
Biome with light rain, fertile, but dry soil. No forests! Small grasses, plants, wheat rye, corn, zebra, bison, cheetah, elephant depending on the latitude. GRASSLAND - SAVANNAH- PRAIRIE
Driest biome. Less than 10 inches rain a year. Rocky, sandy, cacti, scorpion DESERT
Wettest biome with over 400 inches rain a year. Most biodiverse, 81 degrees all day/all year. Banana trees, palms, monkeys, python, kmodo dragons TROPICAL RAIN FOREST
Created by: nmerson