ECOLOGY. Features that determine the future of a population: Population size- the # of individuals in a population Population density- the # of individuals.
Invertebrates & Amphibians. Invertebrates Invertebrates are animals without backbones. This simple definition hides the tremendous diversity found within.
Invertebrates. Animal Phylogeny (compacted) Some Animal Phyla.
Coral Reefs. Location of Reefs Found between 30°north and 30°south Reason: coral reefs do not thrive in areas where the surface temperature is below.
Phylum Amphibia (American bullfrog – Rana catesbiana)
WALLACE RESOURCE LIBRARY Lecture 07 – Mexican Herpetofauna and Adaptation WALLACE RESOURCE LIBRARY Lecture 07 – Mexican Herpetofauna and Adaptation This.
Section 12.3 Amphibians. Evolution of Amphibians About 350 million years ago a lineage of lobe-finned fish were the first vertebrates to make the transition.
Amphibians Amphibians Vertebrate (backbone) Ectothermic (cold- blooded) Must absorb heat from external sources When environment becomes too hot.
Jessica Period 7. Classification Name: Tarsius syrichta Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Primates Family: Tarsiidae.
Phylum Platyhelminthes Flatworms. Introduction # of species: 13,000 Size: wide range, from very small to very long/big 2 type of bodies: ▫ 1) Slender.