Science Test Study Guide Invertebrates
Section 1
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Animals are made out of many _______________.
Animal cells have a ___________and _______________.
Animals depend on __________________ for food.
Many animals move from _________to ___________.
Animals __________their food.
All animals are capable of reproducing __________________.
_________________eat plants.
Carnivores eat _______________.
_______________eat both (#8 and #7).
______________eat decaying matter.
Some species have ________________features that enable them to avoid predators.\
Size is a type of __________________.
Mimicry is an adaptation in which one animal ___________another animal.
_______________is an adaptation for many predators to sneak up on their prey.
Some animals ________________to confuse their predator.
__________________helps animals out run their predators.
Traveling in _____________makes the predator have too large a prey to capture.
Animals are classified by ______________or no _______________.
Animals with backbones are called _______________.
Animals without backbones are called _____________________.
_______________is when an animal has body parts arranged in a circle around a center point.
________________is when you can divide the animal into two.
Sponges and Cnidarians
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Sponges live in _____________environments.
Sponges are used for __________________ or _________________.
Fossil evidence shows that sponges appeard on earth about 600 ______years ago.
_____________-organsims remain attached to one place during their lifetime.
A sponge’s body is a __________ tube that is _______at the bottom and ____________at the
top.
The ___________ cell moves the water into and out of the sponge.
______________is a fibrous material.
To get food, sponges __________microscopic material.
____________produce sperm and egg.
Asexual reproduction occurs by __________or regeneration.
Most Cnidarians live in ___________ but they can also live in ________________(example
hydra)
Cnidarians have two different body forms:
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Polyp-____________and shaped like a ___________
The medusa is _____________________and shaped like a ______
Also, the medusa’s tentacle-like things are facing _______________,and the
_________________’s tentacle like things are facing downward
Cnidarians have ________body opening(s) and ___________-symmetery
They have a ________________where food is broken down.
They have a system of_________________ and a ________net. The nerve net carries
__________and connects all parts of the ________________.
Armlike structures called ________________surround the mouths of most cnidarians. Some
animals live unharmed in these .
A stinging cell has a capsule with coiled threadlike structures that help the cnidarians
_____________________________.
Cnidarians are ______________-.
Some can ___________their prey.
BONUS! T/F Cnidarians only have a mouth, no anus.
Reproduction: _____________The polyp forms reproduce asexually by producing buds that are
in the tentacles and then a new polyp comes and fertilizes the egg (Mrs. G said that this was not
on the test, so we didn’t need to worry about it –so I didn’t do fill in the blank )
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This is a _________________.
Planarians are ________living.
It has a _____________tract.
A planarian feeds on__________________of larger organisms.
Their body is covered in ______________.
As the cilia move, the worm is moved along in a ______________tract that is secreted from the
underside of the planarian.
50. Planarians reproduce ________________by dividing in two. They can also _______________.
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This is a ________________(and yes I know it says it in the picture!)
All flukes are __________with complex lifestyles.
They reproduce __________________.
A female lays fertilized eggs in the__________________.
The eggs can leave the host in its _________or _______________.
Then, they can burrow into the body of a ______________.
Then, they can burrow into another body, Ex. A ___________-when they are swimming.
____________________________is a disease caused by flukes.
It is a deadly diease in a hman’s ________________.
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This is a _________________-.
61. Tapeworms are __________________.
62. The adults use its __________and ___________to attach itself to the intestine of a
___________.
63. A tapeworm grows by _______________________immediately behind its head.
64. After a segment is filled with ___________________it detaches and leaves the host. If a host
eats the sements, the fertilized egg ______________and develops into a immature tapeworm.
65. Scientists believe that flatworms were the fist to evolve _________________- with
_________________ and ______________.
66. Roundworms:
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This is a ________________-.
Roundworms also are called ______________.
Roundowrms are _____________and tapered at both ends.
The body is a _____________within a tube, with fluid inbetween.
They have two body openings, a ____________and an ____________.
Trichinsosis-form painful ____________and are found in _______________ meat.
Roundworms appeared _____________________in evolution.
They wre the first roup of animals to have a _______________with a mouth and an ANUS.
Some scientist hypothesis that roundworms are closely related to __________.
Worms are beneficial because they feed on _________.
They are essential to ____________-of soil.