which of the following is true of an open circulatory system but not a closed

blood and other fluids are transported to open spaces in the body

it take oxygen and nutrients to the organs that need them

carbon dioxide and other waste are taken up by the blood of removal

which statement is true for both open and closed circulatory systems

blood and other fluids fill in open places around organs

plasma and red blood cells are kept separate from other fluids of the body.

what is the best model diffusion

twenty people were in a small room, and when the door was opened, the people wandered out into the larger room next door.

my four cats like to all lay on the same floor

the restaurant was so crowded that people were waiting in line to get in.

someone famous was in a room at a restaurant giving a speech so everyone ran in to listen to her

which of the following is true about a closed circulatory system but not an open circulatory system

materials are transported through blood using vessels

carbon dioxide and other wastes are taken up by the blood for removal

it takes oxygen and nutrients to the organs that need them

what kind of animals have kidneys? What is the purpose of a kidney.

land animals have kidneys to remove liquid waste from their system (a)

land animal have kidneys to remove solid waste from their system (b)

many aquatic animals have to remove liquid waste from their system (C)

how do the excretory structures of fish compare with those of birds

fish have gills and birds have lungs

fish have kidneys and birds do not

birds excrete fees and fish do not

birds have gizzards and fish have crops

science

Quiz

•

Science

•

6th - 8th Grade

•

Practice Problem

•

Easy

zoe evans

Used 4+ times

FREE Resource

23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

animals with ___ do not have brains

gills

endoskeletons

nerve cords

nerve nets

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

a fluid filled internal cavity surrounded by muscle tissue

hydrostatic skeleton

exoskeleton

endoskeleton

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

hard outer covering that provides support

hydrostatic skeleton

exoskeleton

endoskeleton

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

organisms that have endoskeleton

crabs and snails

earthworms, jellyfish, sea anemones

fish, birds, and mammals

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

organisms having a hydrostatic skeleton

earthworm, jellyfish, sea anemones

crabs and snails

fish, birds, mammals

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

organisms with exoskeletons

crabs and snails

fish, birds, mammals

earthworm, jellyfish, sea anemones

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

an animal with a backbone

cartilage

vertebrate

invertebrate

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animals with ___ do not have brains

a fluid filled internal cavity surrounded by muscle tissue

hard outer covering that provides support

organisms that have endoskeleton

organisms having a hydrostatic skeleton

organisms with exoskeletons

an animal with a backbone

support provided by hard internal structures, made of bone or cartilage

flexible tissue that is the skeleton in sharks

an animal that does not have a backbone

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