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The seeds of plants supply us with a rich source of
protein
Soil or soil-like material in which plants grow
media
The science of growing trees
forestry
Chickens that produce eggs daily are called
layers
Animals that are placed in crates a week before they give birth are
sows
End of a branch, stem, or root where growth takes place
terminal tip
The process of removing selected branches and shrubs is called
pruning
Plants and animals that are grown without commercial fertilizers, hormones, and pesticides
organic
The growing of aquatic animals for human use
aquaculture
A weighted string used to find a level vertical line is called a
plumb bob or plummet
The structure inside the stem that carries the water and nutrients from the roots to the leaves is the
xylem
The below-ground buds of plants
bulbs
The replacement of one type of plants by another in the natural progression of a forested area
succession
Small fish that are from 2 to 6 inches in length are called
fingerlings
A cornmeal-and-water mixture used in making ethanol
mash
A substance that kills plants is called a
herbicide
A process whereby a new plant is propagated by attaching the root system of one plant (such as an apple tree) with a stem from another plant
grafting
Formations in sand, rock, or gravel that hold water are
aquifers
The process of stopping enzyme action in food by dipping the food first in hot water first then in cold water
blanching
When the piston reaches the top of its stroke, it's said to be at
top dead center (TDC)
Soil that has been transported and deposited by moving water is called ______ soil
alluvial
Plants that react to specific periods of light
photoperiodic
The processing of food by the use of yeast, molds, or bacteria
fermentation
A disease or infection that can be transmitted from animals to humans
Zoonosis
Scientist who study the production of field crops
Agronomists