A hermaphrodite is an organism that

has male and female reproductive organs.

Barnacle eggs hatch and become

free swimming larvae called nauplius larvae.

Barnacles attach themselves to

the sides of ships., large marine animals like whales.

Cypris larvae can survive

without eating for up to 13 days.

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The Life Cycle of a Barnacle

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A reading comprehension quiz about #barnacles #nauplius #cypris #cirri #carapaces # larvae

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Questions 14

Answers

1
After the fertilized eggs hatch, the larvae first
attach themselves to a surface and begin to feed.
molt and become cypris larva.
are released into the water.
begin to secrete shells.
2
A hermaphrodite is an organism that
secretes calcium carbonate to form a hard outer shell.
has male and female reproductive organs.
undergoes metamorphosis.
commonly fertilizes its own eggs.
3
A barnacles leathery jointed legs are called
larva.
nauplius.
carapaces.
cirri.
4
Barnacle eggs hatch and become
free swimming larvae called nauplius larvae.
mantle larvae.
cluster larvae.
cypris larvae.
5
Barnacles attach themselves to
the sides of ships.
swimmers.
large marine animals like whales.
shore birds.
6
Barnacles are related to
clams
lobster
acorns
oysters
7
Which of the following words best describes most barnacles?
swift
mobile
sedentary
migratory
8
Cypris larvae can survive
in the parent's mantle cavity.
by eating plankton.
as free swimming organisms.
without eating for up to 13 days.
9
Barnacles belong to the subclass Cirripedia. If cirri is Latin and means "curl" then pedia
most likely means "body."
most likely means "foot".
most likely means "shell."
most likely means "head."
10
The process whereby an organism that is fundamentally unlike its parent develops to resemble it
is called metamorphosis.
is called growth.
is called molting.
is called transformation.
11
Barnacles feed primarily on
cirri.
plankton.
sea stars.
marine snails.
12
Choose the correct answer.
correct
incorrect
incorrect
incorrect
13
From the information given one could conclude that barnacles
are found in fresh water.
have no predators.
are good to eat.
harm the whales to which they attach themselves.
14
Adult barnacles generally live
up to 13 days.
from 3 to 5 years.
from 5 to 30 years.
from 1 to 75 years.

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