1
What nutritional relationship involves one animal hunting another animal for food?
Predation
Gliding within an updraft to gain altitude is?
soaring
The main tissue of a tree trunk is the?
wood
Together all living things in a ecosystem are the?
community
What is a classification that describes an organism feeding relationship with other organisms?
trophic level
The organelles of plant cells in which photosynthesis occurs are
chloroplast
An organisms that feeds on dead and decaying organic matter is
saprophyte
All the organisms of one species in a ecosystem is
population
What group of drugs includes morphine and heroin?
opioids
What is the early growth of a seed called?
germination
What are the air sacs in a persons lungs called?
alveoli
What are the largest group of mammals?
rodents
hot humid region near the equator
Tropical Forest
What has no trees because the growing season is too short ?
Tundra
What is the dominant plant species in a biome called?
climax vegetation
What is the number and variety of species in an environment called?
biodiversity
An environment and all its organisms form a?
ecosystem
The group of algae that includes volvox is the
green algae
What is the changing of an immature hatchling into an adult called?
metamorphosis
What is the scientific term for the feelers on an insects head?
antennae