true/false
All vertebrates are boneless organisms
FALSE
How many phyla do invertebrates comprise?
8
~90%
Invertebrates make up Around 97% of All Animal Species
arthropods have a unique ability to regenerate lost parts
FALSE
What does a term hermaphrodite mean?
The majority of mature flatworms are hermaphrodites, meaning they have both male and female reproductive organs. A few species are even able to self-fertilize and give birth to offspring without a partner.
5
5 identical parts of echinoderms
molluscs internal organs represent a spongy mass
FALSE
visceral mass
What is molting?
the process of shedding exoskeleton of arthropods
Paralyzis
Tentacles equipped with stinging cells of some invertebrates can cause the paralysis of the prey
There are few insects living in organized social colonies.
FALSE
What structures have cnidaria evolved for self-defense and hunting the prey?
tentacles with stinging substanses
ring
annelids have cylindrical bodies divided into rings
An insect’s body is divided into the head, cephalothorax and abdomen.
FALSE
An insect’s body is divided into three segments: the head, thorax, and abdomen.
What is the most common type of insect in the world?
Ant
~10 million
The scientists believe that there are about 10 million insect species.