Question

at is the function of an arthropod's hardened exoskeleton?

protection
locomotion
both a and b
none of the above

Answer 1

i think it is c

Answer 2

@readergirl12

Answer 3

Try A.

Answer 4

ok

Answer 5

Which of the following does the arthropod class Arachnida include?

ticks
scorpions
spiders
all of the above

i think it is b

Answer 6

I agree but brb I gotta eat lunch..

Answer 7

kk

Answer 8

Sand dollars use their ______ for locomotion.

spines
flagella
rays
none of the above

think it is b

Answer 9

Agreed.

Answer 10

ok

Answer 11

All chordates in the subphylum Urochordata have

vertebral columns.
lungs.
gill slits.
none of the above

would it be c

Answer 12

The slits are supported by gill arches, which have also been highly modified in various groups of vertebrates. Lastly, all chordates have a post-anal tail, or extension of the notochord and nerve cord past the anus. Source:Google xD

Answer 13

So you are correct c:

Answer 14

yay

Answer 15

When they are disturbed, tunicates tend to squirt ______ out.

toxins
acids
water
none of the above
would it be a

Answer 16

So tunicates are like sea anemones ..So I would go with a too..

Answer 17

ok