(Bio=Life) all of the organisms in the area
Living component of the environment
(A Bio=Not living) are the environment's nonliving component
Includes chemical and physical factors like; light, water, minerals and air
Addresses populations, groups of individual of the same species living in the same area
-concentrates mainly on factors that affect; population density and growth
Is concerned with communities, assemblages of population of different species
-focuses on how interactions between species affect community structure and organization
Is concerned with the ecosystems, which include all the abiotic/nonliving factors in addition to the community of species in a certain area
-focuses on energy flow and the cycling of chemicals among the various abiotic/nonliving and the biotic/living or life factors
Wrote a book in 1950 (Silent Spring) regarding the harmful effects of a pestiside called DDT, that would harm the environment and everything in it.
Plants that are known as the Bryophytes are pine trees.
(False) Because Bryophytes are mosses and pine trees come from the Gymnosperm
Fungi are all unicellular, simple plants, that evolved early.
(False) Because Fungi are multicellular and the mosses evolved early
An animal that has two embryonic germ layers, radial in symmetry and has tentacles.
-Belongs in the Phylum Cnidaria
Example: Octopus and squid
Means without a body cavity
**coelom=fluid filled body cavity**
Spicules= calcium that gives it shape
"Freshwater sponges have ________that work as a skeleton to help hold their shape" spicules; choanocytes; mesoglea; gemmules
"A unique feeding feature in the phylum Molluscs is..";foot; tentacles; chelicerae;radula
Radula=many molluscs feed by using a file-like organ "Radula"
(Polychaeta=tubeworm;Poly=has many ; chaeta=brissels)
"Has a feathery bristle and live in a tube in marine environment..."
polychaeta=tubeworms that live in the sea
cephalochordate=something that has to do with vertebrates
Early vertebrate that did not have a jaw