plains and prairies filled with fertile soil
grassland
What is the fastest flying bird?
peregrine falcon
What type of biogeochemical cycles recycle nutrients found in soil and rocks
sedimentary (cycles)
Carnivorous hunting birds are classified in this group
birds of prey
A sensible explanation to a scientific problem
hypothesis
hottest and driest biome
desert
What is the number and variety of species in an environment called?
biodiversity
What happens to a desert that has reached its carrying capacity for rattlesnakes but continues to receive rattlesnakes within the ecosystem?
overpopulation
The group of nutrients that includes fats
lipids
The main tissue of a tree trunk
wood
Conifers are the dominant vegetation
boreal forest
In what type of relationship do organisms struggle with other organisms for needed resources?
competition
What nutritional relationship involves one animal hunting another animal for food?
predation
Mammals whose young are born undeveloped and grow in a pouch on the mother's body
marsupial
45. Gliding within an updraft to gain altitude
soaring
Dense canopy of trees, vines and flowering plants
tropical rainforest
What is the layer of earth where life exists?
biosphere
Several years ago, a nearby ecosystem was damaged. Since then, however, a new ecosystem has developed. What process has occurred?
ecological succession
Nutrients are supplied to cells, and wastes are removed from cells by this system.
cardiovascular
The pores that allow air to enter and leave the stem of a tree
lenticels
Has no trees because the growing season is too short
tundra
What is the changing of an immature hatchling into an adult called?
metamorphosis
What is the egg-laying organ of a female insect?
ovipositor
The only truly terrestrial crustacean
woodlouse
The group of algae that includes volvox
green