Science Test Study Guide: Environments & Survival

Two adaptive traits for snails are _______ and _______.

• banded shell color, high shell strength

• smooth shell texture, low shell strength

• bright shell color, low shell strength

• banded shell color, low shell strength

Two adaptations of rose stems are _______ and _______.

• a wider trunk, thorns

• a wider trunk, flowers

• a wider trunk, leaves

• a wider trunk, roots

A physical adaptation of spider monkeys is _______.

• tails they can use as arms

• long ears

• sharp claws

• thick fur

A _______ _______ of spider monkeys is they can use their tail as arms.

• physical adaptation

• population competition

• behavioral adaptation

Two behavioral adaptations of spider monkeys are _______ and _______.

• living in treetops, calling out an alarm

• living on the ground, being nocturnal

• migrating seasonally, hibernating

• swimming in water, digging burrows

Competition for limited resources can eventually lead to _______.

• adaptations

• extinction

• overpopulation

• resource abundance

__________ for ________ ___________ can eventually lead to adaptations.

• competition, physical adaptations

• extinction, over population

• competition, limited resources

• extinction, increased adaptations

If a species has a decreased death rate, the FIRST thing that will happen is the population will _______ because more will _______ and _______.

• increase, survive, reproduce
• decrease, die, migrate

• remain stable, adapt, evolve

• fluctuate, perish, disperse

If a species has a decreased death rate, the SECOND thing that will happen is the population will _______ because there will _______.

• decrease, not be enough food for all of them

• increase, be more individuals surviving

• remain stable, be a balance between birth and death rates

• fluctuate, be environmental changes affecting resources

The prehistoric, extinct Megalodon and the Great White Shark share many of the same traits. It is possible that at some point they shared a _______.

• past family ancestor

• common habitat

• similar diet

• hunting technique