With the exception of echinoderms, invertebrates are _; chordates, echinoderms, and vertebrates are _.

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Answer 1

Answer:

Answer:

All invertebrates except echinoderms are protostomes. Protostomes include the phylum: coelenterata, ctenophora, platyhelminths, nematyhelminths, annelida, arthropoda and mollusca.

Explanation:

Echinoderms and chordates have tube within tube type of body plan which has evolved along deuterostomic evolutionary line. Other similarities between echinoderms and chordates (which includes vertebrates) are:

-They possess a true coelom called enterocoelom.

- They have mesodermal skeleton made of calcareous plates or ossicles.

Answer 2

Answer: protostomes and deuterostomes

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A recent study has shown an increase in the number of predators in an ecosystem. Which of the following is not a possible cause for the growth?

Answers

one of the following that is not a possible cause for the growth is B

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Answers

When skeletal muscle cells undergo anaerobic respiration, they become fatigued and painful. This is now known to be caused by buildup of lactate.

Which of the following statements is NOT a pun?a. I work as a baker because I need dough.
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She shines bright like a brilliant star

Answer is B

Protists that move with cytoplasmic extensions are calleda. amoebas.
b. ciliates.
c. dinoflagellates.
d. euglenoids.

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Which of the following states had the highest average yearly precipitation? A. Nevada B. Maine C. North Dakota D. Louisiana

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Louisiana has the most

Colorado has a vast population of lodgepole pines. A population of lodgepole pines have been killed in a section of the forest. What is a possible limiting factor of that population?