Vocabulary
Define 'adaptations'
changes in animals or plants that fit them better for their environment
In what kind of environment do animals in a tide pool live?
constantly changing
What do animals that live in tide pools need?
special features to help them survive
Name two tide pool predators.
Sea stars, and the octopus
How do you know that Life in a Tide Pool is an expository text? Name two ways.
The text has facts, uses photos with captions, and diagrams
Define 'behavior'
the way in which something acts or behaves
What are tide pools?
small pools of water along the shoreline that form in rocky areas where the land meets the sea
What adaptations do sea urchins have? (name at least two)
hundreds of sticky tube feet, hard teeth to scrape plants from rocks, long movable spines that are sharp and poisonous
How do sea stars eat their prey?
The usually swallow it whole.
What features do sea stars and sea urchins have in common?
They are alike because they have hundreds of sticky tube feet.
Define 'habitat'
the place where a plant or animal naturally lives or grows
What type of habitat is a tide pool?
They are coastal habitats.
What adaptation do sea anemones have to keep them in place when they are hit by strong waves?
a sucker disk
What kind of prey does the octopus feed upon?
crabs, snails, and clams
What is the meaning of the word, survive, found on page 6?
to live
Define 'predators'
animals that eat other animals
What does the term "tide" refer to?
the regular rise and fall of the ocean
What adaptation do barnacles, limpets and mussels have to help them survive in the splash zone?
hard shells for protection from the sun's rays
Name two adaptations that the octopus has to help it catch prey.
It can change its skin color to blend in with the rocks and sand; it can squeeze its body into narrow cracks to wait for prey to come by; it has tentacles with strong suckers to grab its prey
Compare the octopus and the decorator crab.
They each use camouflage to blend in with their surroundings.
Define 'tentacles'
long, flexible animal parts used for grasping or feeling
Into what four zones can the intertidal zone be divided?
the low tide zone; the mid zone; the high tide zone; and the splash zone
Besides physical adaptations, what other adaptations are there? Give two examples.
Behavior like burying themselves in the sand, covering their shells with bits of seaweed for camouflage, gathering together in large groups for protection from predators
What human activities can harm animals that live in tide pools?
people collect them for food; people and their pets walk through the tide pools
How are sea stars and sea urchins different?
Sea stars eat animals and sea urchins eat plants