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WorksheetsInvertebrates
Total questions: 92
Worksheet time: 1hrs 4mins
The invertebrates animals don't have...
(a)
The invertebrates are...
, their body temperature depends of the enviroment
Ectothermic
Endothermic
Ecdothermic
Extothermic
invertebrates symmetry can be...
Radial
Bilateral
Asymmetry
all the answers are correct
The poriferans they are also known as (a)
The symmetry of poriferans are..
Asymmetryc
poriferans don't have
The sponges have a shape of ...
On the outside of the U are protective cells, but on the inside they have special cells with little flagella that are constantly moving and keeping the water circulating inside the animal, the (a)
Poriferans feed by...
What is the process of filtering water in poriferans?
water passes through the pores to a big cavity inside the animal called ATRIUM . The water moves through the sponge helped by the choanocytes and then it is pushed out through a big hole in the upper part of the sponge body called OSCULUM
water passes through the pores to a big cavity inside the animal . The water moves through the sponge helped by the choanocytes and then it is pushed out through a big hole in the upper part of the sponge body called Choanocytes
water passes through the pores to a big cavity inside of the Atrium. The water moves through the sponge helped by the choanocytes and then it is pushed out through a big hole in the upper part of the sponge body is FLAGELO
The poriferans can reproduce by fragmentation and with their reproductive organs ,
so their reproduction is...
(a)
The symmetry of cnidarians is...
their cells are organizated by
(a)
the polyps have a shape of......
and their mouth is ...
bag-shaped with tentacles in the top or upper part and their mouth is her anus
square shapes, located at the tip of their tentacles
cylindrical triangles located behind the top
The jellyfish swim freely and their shape is like an ........
and their mouth is in the .....
ambrella ,
anderneath (debajo)
pensil case and in the upper flagellum
Choanocyte , behind of their
umbrella ,
underneath (debajo)
They have a digestive cavity that is called (a)
What is the function of the GASTROVASCULAR CAVITY
( surrounded - rodeado )
is connected to the outside through a hole surrounded by tentacles that acts as mouth and as anus
In the tentacles they have special cells called...
(a)
What is the function of the cnidocytes?
It's basically a little harpoon that it shoot to catch preys. This harpoon has a poisonous paralyzing substance that cnidarians injects into the prey.
is like a magical poison that use the jellyfish to create inhumanity for themselves
the cnidarians reproduce...
Sexually and asexually
Worms have a .........
short bodies
elongueted bodies
long bodies
large bodies
Worms don't have (a)
What are the three groups of worms ?
PLATYHELMINTHEOS
NEMATOUDES
ANNELIDS
PLATYHELMINTHES
NEMATODES
ANNELIDS
ANELLIDOS
NEMATODUS
ANELLIDS
ANELLIDS
PLATIHELMYNTHES
NEMATODES
Which of these are of the group of the PLATYHELMITHES
Planarians and taenias
The nematodes are...
cylindrical bodies that are thinner at the ends
can be parasites (Human intestinal worms or anisakis) or can live by themselves (marine nematodes)
The annelids are...
Long and cylindrical bodies divided into segments (they are also called segmented worms).
They live in the ground and some are aquatics
Some organs are repeated in each segment
They move by appendages called QUETAS
digestive system with mouth and anus. The worms can be ....
carnivores
filtering water
filtering feeders and parasites
filtering wet land
worms have closed the circulatory system and they breath through the (a)
but the worms can breath too by.....
if they are aquatic worms
using lungs to extract oxygen from the water
through the gills
Worms can reproduce...
and they have a oviparous development 🥚
sexually
asexually
by budding
fragmentation
Molluscs can be ....
terrestrial
aquatic
flyeer
tarrestrial
aquatic and terrestrial
Molluscs have a ........... symmetry
MOLLUSCS
They have an external sheet of tissue called Mantle (Manto) that covers the visceral mass (masa visceral) with the internal organs
True
False
MOLLUSCS
They have a ________ ____ ( pie musculoso ) used for digging, moving or catching prey.
(a)
Some of them have a __________ _____ ( escudo protector )
(a)
Some of them have a ______________ ____, with the sense organs.
(a)
The main types of molluscs are :
Cnidarians
The most known are snails (caracoles) and slugs (babosas). They can live ...
on land and in the ocean
Most of them have a ______ _____ (concha enrollada en espiral), like snails, others don’t have any shell, like slugs
coiled shell
GASTROPODS
They have head with a mouth and a scraper organ (órgano raspador para alimentarse, se conoce también como rádula)
False
true
If they are aquatic, they breathe through (a)
If they are terrestrial, they breathe through (a)
Gastropods reproduce ... 😈🐌
BIVALVES
The most well-known are ...
They are aquatic molluscs that have the shell divided into two parts called (a)
BIVALVES
They don’t have a ______________ ____ , so they don’t have developed sense organs
(a)
bivalves feed by....
filtering water
Bivalves breathe through
(a)
CEPHALOPODS
The most well-known are ...
octopus (pulpos), squids (calamares) and cuttlefish (sepias)
polyps
milipede
butterflies
Cephalopods are aquatic and
They have the muscular foot transformed into tentacles that are located around the mouth
False
True
cephalopods They have shell that is placed inside its body
True
False
cephalopods They have also a head with a well-developed eyes and
they breathe through
(a)
Cephalopods
They are the most intelligent of the invertebrates because they have a “brain” and lots of nerves.
So they reproduction is ....
arthropods have a .......... symmetry
Arthropods all have (a)
Check the correct answers about arthropods
the mayory are small like your little friend you know what i refer
They have jointed appendages (apendices articulados): legs, mandibles, antennae
they reproduce by the worse way of the life and the mayory are extraculiar
Arthropods all have exoskeletons (exoesqueleto). Exoskeletons are hard outer shells made of chitin (quitina) that protects it from the outside world
They have segmented bodies, divided in three parts: head, thorax and abdomen. Some of them have the head and thorax fused (unidos) in an organ called cephalothorax
The nervous system and the sense organs are well developed. They have eyes that can be:
Compound eyes :
that allow them to perceive moving objects clearly
Simple eyes :
that allow them to distinguish light
The aquatic arthropods breathe through gills. The terrestrial arthropods breathe through ________ small and thin internal tubes that carry the air from the outside to the cells
They reproduce sexually and have internal fertilization. They are oviparous (there are some exceptions like scorpions). Some arthropods undergo (a) , that is a process where the arthropod changes its body shape to grow. There are two types of metamorphosis: 👀
INCOMPLETE METAMORPHOSIS:
the animal that hatches from the egg is similar to the adult but smaller (grasshoppers)
el animal que sale del huevo es similar al adulto pero más pequeño (saltamontes)
COMPLETE METAMORPHOSIS:
the animal that hatches from the egg, the larvae, is very different from the adult (butterflies)
el animal que nace del huevo, las larvas, es muy diferente al adulto (mariposas)
Insects and Crustaceans are...
Arthropods
Molluscs
Gastropods and Cephalopods are
Arthropods
Molluscs
Most have wings
Insects
Arachnids
Crustaceans
Myriapods
Most have two claws and eight legs
Insects
Arachnids
Crustaceans
Myriapods
Their bodies have lots of segments
Insects
Arachnids
Crustaceans
Myriapods
They have an exoskeleton
Insects
Arachnids
Crustaceans
Myriapods
Molluscs
Their body is divided into head and abdomen
Insects
Arachnids
Crustaceans
Myriapods
They live on land and in water
Gastropods
Bivalves
Cephalopods
They have two shells connected at one point
Gastropods
Bivalves
Cephalopods
They have two eyes on the end of their antennae
Gastropods
Bivalves
Cephalopods
n this group are included spiders (arañas), scorpions (escorpiones) and mites (ácaros)
Arachnids are terrestrial arthropods with the body divided in two parts:
cephalothorax and abdomen
They have ______ in the cephalothorax
four pairs ( 8 legs )
faur pairs
eught legs
four poirs
They don't have (a)
ARACHNIDS
They have simple eyes
They have a special pair of sensory appendages (apéndices sensoriales) called
P_D_P_L_S
(a)
and another pair of appendages near the mouth called
(a) that can have poison in the spider
CRUSTACEANS
crabs (cangrejos), prawns (gambas), lobsters (langostas) and barnacles (percebes)
Their body is divided into a cephalothorax and an abdomen
They have a very hard column vertebral to protect their body
their legs are gigant like a enviroment without landscape
They have a very hard exoeskeleton to protect their bodies
CrUSTACEANS
They have antennae (antenas) and mandibles (mandíbulas)
The have a shell a hard shell for pretect of the preys
They have a pair of compound mobile eyes
how many pairs have a crustacean ?
5 puirs
They have five or more pairs of legs in the cephalothorax
3 pairs
faive pairs of legs
INSECTS
Their body is divided into :
ANATOMY OF AN INSECT
In the head they have a pair of antennae and in the thorax they have three pair of legs
and in most cases a pair or two of wings. They are the only arthropods that can fly
They have also a pair of compound eyes
and several simple eyes in the head
MYRIAPODS
In this group are included centipedes (ciempiés) and millipedes (milpiés)
they can fly
They are terrestrial arthropods
they are like an mammal
MYRIAPODS
Their body is divided in two parts:
cephalotorax and abdomen
head with a pair of antennae and simple eyes
trunk divided into several segments with one or two pair of legs in each segment
Head until the thorax
Trunk and legs
