BIO 109 Online Home
Lab Manual
Natural History Event Species List


Sources: PowerPoints 01d and 01e, Web

1. Mutualism: both benefit - bee and flower, fruit eater dispersing seeds, etc.
Competition: both lose - coyote and bobcat both eating same prey
Predation: predator gains, prey loses - coyote eats mouse
Parasitism: parasite gains, host loses - mistletoe on tree, mosquito on person
Commensalism: one gains, one is unaffected - spider using an abandoned rodent burrow.

2. A group of individuals capable of interbreeding and producing fertile offspring.

3. Every species is given a two word name. The first word is the genus and the second word is the specific epithet. The first letter of the genus is capitalized and none of the specific epithet is capitalized. Both words are put in italics.

4. Kingdom, Phylum, Class, Order, Family, Genus, Species

5. Arthropoda: have jointed legs and an exoskeleton
Chordata: have a nerve cord down their back, usually inside a backbone (vertebrates).

6. Arachnida: 1-2 body parts, 8 legs, no antennae; scorpions, spiders, ticks, mites
Insecta: 3 body parts, 6 legs, 2 antennae; ants, flies, beetles, grasshoppers, butterflies, etc.

7. Some Vertebrate Classes
Class Osteichthyes: bony fish - most fish, such as trout
Class Amphibia: amphibians - salamanders, frogs, toads
Class Reptilia: reptiles - lizards, snakes, turtles, crocodiles,
Class Aves: birds - eagles, etc.
Class Mammalia: mammals - primates, whales, seals, mice, bats

8. Entomology, Ichthyology, Herpetology, Herpetology (Herpetology is the study of both amphibians and reptiles), Ornithology, Mammalogy

9. 33%, 74%, 86%, 4%