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Are invertebrates alive?
Yes. Invertebrates are living organisms.
Organisms that do not have a backbone are called?
invertebrates
What phyla of organisms are considered invertebrates?
Cows
What completely describes invertebrates?
Organisms that have no backbone, or vertebrate.
What are the two first groups organisms was placed in?
vertebrates and invertebrates
What are animals that are usually covered with a shell called?
These animals are called invertebrates. Invertebrates have no backbone. Examples of invertebrates are insects.
What kind of organisms are classified by the presence or absence of vascular tissue?
invertebrates
Of what group are animals that have no backbone?
Invertebrates
A smaller group of invertebrates that shares characteristics?
Invertebrates are organisms that do not have a backbone or spine. A small, well known group that shares characteristics are sponges. Sponges
Organisms that do not belong to either vertebrates ir invertebrates?
No either you have a back bone or you don't
What was the evolution before vertebrates?
The same as it was when and after vertebrates. Evolution is the change in allele frequency over time in a population of organisms. Change over time. Happens and happened in single celled organisms and invertebrates long before there were vertebrates.
What are organisms associated with photosynthesis?
Autotrophs
