ENT-101 Final Review ACTUAL UPDATED QUESTIONS AND CORRECT ANSWERS
Phylogentetics the study of evolutionary relationships between organisms
Descent with modification species change over time from common ancestors
What is a node in a phylogenetic tree? a common ancestor
, What is a branch on a phylogenetic tree? an evloutionary lineage
What is MRCA most recent common ancestor
Monophyletic group ancestor missing some descendants
Why are insects so diverse? small size, flight, fast reproduction, exoskeleton, matamorphosis
What did Terry Erwin estimate? Millions of insect species may exist worldwide
What is host specificity? insects living on only host plant species
What was the Cambrian Explosion? rapid appearance of majore animal groups ~530 million years ago
Main arthropod characteristics? segmented body, exoskeleton, jointed appendages
What are chelicerates? spiders and scorpions
What are myriapods? centipedes and millipedes
What are crustaceans? crabs and shrimp
What are insects? six-legged arthropods
What is pancrustacean crustaceans + insects
What is Hexapoda? six-legged arthropods
What is Ectognatha? insects with exposed mouthparts
Pterygota winged insects
Phylogentetics the study of evolutionary relationships between organisms
Descent with modification species change over time from common ancestors
What is a node in a phylogenetic tree? a common ancestor
, What is a branch on a phylogenetic tree? an evloutionary lineage
What is MRCA most recent common ancestor
Monophyletic group ancestor missing some descendants
Why are insects so diverse? small size, flight, fast reproduction, exoskeleton, matamorphosis
What did Terry Erwin estimate? Millions of insect species may exist worldwide
What is host specificity? insects living on only host plant species
What was the Cambrian Explosion? rapid appearance of majore animal groups ~530 million years ago
Main arthropod characteristics? segmented body, exoskeleton, jointed appendages
What are chelicerates? spiders and scorpions
What are myriapods? centipedes and millipedes
What are crustaceans? crabs and shrimp
What are insects? six-legged arthropods
What is pancrustacean crustaceans + insects
What is Hexapoda? six-legged arthropods
What is Ectognatha? insects with exposed mouthparts
Pterygota winged insects