7th Grade Life Science Final
plants & ecosystems
Plants that have tube-like structures that carry water, nutrients and other substances through-out the plant.
do not have tube-like structures and use other ways to move water nutrients and other substances.
Monocot's seeds have one food storage unit.
Some Monocots are Grains, bananas, pineapples and lilies.
Dicot's seeds have two food storage units. Some Dicots are beans, apples and oranges and many shade trees.
A PISTIL has a sticky STIGMA, a long stalklike STYLE and an OVARY which contains OVULES
A stamen consists of a thin stalk called the FILAMENT and an ANTHER . POLLEN forms in the ANTHER. SPERM develop in pollen.
Geographic areas that have similar climates and ecosystems. (Desert, Tropical rainforest, Temperate rainforest, Grassland, Temperate deciduous forest, Tundra.)
the living organisms in an ecosystem
nonliving features of the environment. (air, water, sunlight, soil, temperature, climate)
a primary consumer feed directly on producers
a secondary consumer feeds on primary consumers
A tertiary consumer feeds on secondary consumers.
An organism that breaks down wastes and dead organisms. Worms, mushrooms etc.
A plant needs sunlight and carbon dioxide for photosynthesis. All need water many have Chlorophyll, roots or a root-like structure. They have cell walls and a central vacuole.
Plant Phylums are called divisions.
Mosses, Liverwort, Hornwort
A Plant Phylum; non-vascular, green, has rhizoids instead of roots. Reproduce by spores.
A Plant Phylum; non-vascular, rootless, flat leaf-like, have one celled rhizoids. Reproduce by spores.
A Plant Phylum; non-vascular, very small, only one chloroplast in each cell. Reproduce by spores.
anchor the plant in the ground, absorb water and minerals from soil, and sometimes store food
carries substances between the plant's roots and leaves. provides support and holds up the leaves so they are exposed to the sun
plant organisms that trap light and make food for the plant
the continuous cycle of water through an ecosystem, which involves evaporation, transpiration, condensation, and precipitation
a region that has little or no vegetation, long periods without rain, and extreme temperatures; usually found in warm climates
biome near the equator with warm climate wet weather and lush plant growth.
wettest coastal forests. cool, rainy forest often in fog.
temperate deciduous forest
Forest in a temperate region, characterized by trees that drop their leaves annually.
A biome containing many grasses but few trees and having low to moderate rainfall.
a vast, level, treeless plain in the arctic regions. The ground beneath the surface of the tundras is frozen even in summer
fire and ecosystems
some ecosystems are dependent on fire for their reproduction and regeneration; ex: grasslands, many coniferous forests in the Western United States
Seedless vascular plants reproduce using spores. They have stems leaves (called fronds) and roots.
Seedless Vascular plant, reproduces using spores. they have stems, needles and roots.
Seedless vascular plant
Hollow stem with scale-like leaves
End of stem produces spores
Vascular plants that produce seeds that are not protected by fruit.
flowering vascular plants that produce fruits containing one or more seeds