The protective outer covering of arthropods is called a ____.
What is an exoskeleton (or external skeleton)
This flower family has petals that grow in multiples of 3, and grow from bulbs.
What is the Lily family?
______ trees bear cones instead of flowers?
What are conifers?
The ______ is the smallest crab.
What is the pea crab?
Some of the smallest green plants.
What are algae?
The many-legged arthropod, that defends itself by releasing poison through some glands on its body is the ______.
What is the Millipede?
_____ is the green pigment that gives plants their green color.
What is chlorophyll?
Growth in a tree takes place in the ______ layer underneath the bark.
What is cambium?
An animal that has five or more rays, each with two rows of tube feet, is the ______.
What is the starfish?
Mussels, oysters, clams, and scallops are all ______, having two matching shells.
What are bivalves?
The ____ is when the head and thorax are joined together.
What is a cephalothorax?
Single cells that some plants produce instead of seeds are called ______.
What are spores?
The tree that has smooth, papery bark that peels of in thin layers is the _____ tree.
What is birch?
______ are single celled invertebrates.
What are protozoans?
The threadlike structures in a cell that determine the characteristics of the organism and how it runs.
What are Chromosomes?
Tarantulas, spiders, mites, and scorpions are part of the ______ family.
What is arachnid?
A scientist who studies plants is called a _______.
______ trees are a good source of sugar and syrup.
What are maple trees?
The _____ has no definite shapes, uses pseudopods to move, and must live in water.
What is the amoeba?
The structure that directs the work of the cell.
What is the nucleus?
The tough material that is used to make an exoskeleton is called _____.
What is chitin?
The _____ system is the part of the plant above ground.
What is the shoot system?
The _____ is the tallest tree.
What is the California Redwood?
The crustacean that cements itself to an object when it is young is the _____.
What is barnacle?
the jelly like fluid that fills the cell.
What is the cytoplasm?