The diagram shows the internal structures of a fish. Which labels best complete the diagram?

X: Two-chambered heart
Y: Swim bladder
X: Single-chambered heart
Y: Swim bladder
X: Gills
Y: Lateral line
X: Lungs
Y: Lateral line

Which element provides strength to the exoskeleton of clams and oysters

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Which box will not accelerate? 4 newtons 4 newtons 4 newtons 25 kg 4 newtons 15 newtons 10 kg 30 newtons 40 newtons 50 kg 30 newtons 30 newtons