The division of a body into two equal halves along a longitudinal plane is called
bilateral symmetry
transverse section
radial symmetry
longitudinal section
Correct answer is A
No explanation has been provided for this answer.
Which of the following is an organ?
Guard cell
Liver
Xylem bundle
Blood
Correct answer is B
No explanation has been provided for this answer.
The structure that is most commonly identified in all living cells under the light microscope is the
mitochondrion
chloroplast
nucleus
ribosome
Correct answer is C
No explanation has been provided for this answer.
The group of Arthropods that has no antennae is the
Crustacea
Chilopoda
Arachnida
Diplopoda
Correct answer is C
No explanation has been provided for this answer.
Scales, laying eggs with shells, and a bony head structure are characteristics shared by
birds and reptiles
fishes and birds
reptiles and fishes
birds and molluscs
Correct answer is A
Fishes do not lay eggs with shells. These are features common to Reptiles and Birds.