Suborate Succeed Unit Title / Focus
Authors
Date
Grade Level/
Course
HS/Biology
Relationships Amongst
Organisms
1. In any population, there will be variations of certain characteristics. For example, in
the giraffe population, there is a variation in neck lengths among individuals. Some
have longer necks and some have shorter necks. Giraffes with longer neck
variations would be more likely to survive than shorter-necked giraffes in which of
these situations? (SB6d)
A. loggers come in and chop down all of the trees
B. insects can only eat the highest leaves due to the canopy
C. a plant disease infects the trees, resulting in total leaf death
D. monkeys swarm in and tear off all of the lower leaves to use for shelters
2. Populations of a European salamander, Proteus anguinus, live in underground
caves that have a limited food supply. One of the salamander's adaptations is the