Aquatic arthropods respire through__________?
Aquatic arthropods respire through__________?
A. Spiracles
B. Gills
C. Book lungs
D. Both b and c
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Genetic information carriers is/are____________?
Genetic information carriers is/are____________?A. DNA
B. Chromosomes
C. Gene
D. NucleusThe flow of lymph is maintained by__________?
The flow of lymph is maintained by__________?
A. Movement of viscera
B. Breathing movements
C. Valves
D. All of theseThe sponges in which sperms develop first are included in the category of__________?
The sponges in which sperms develop first are included in the category of__________?
A. Peritandrous
B. Pertandrous
C. Protendrous
D. ProtandrousTibia is a bone found in the ____________?
Tibia is a bone found in the ____________?A. Skull
B. Arm
C. Leg
D. FaceHow many hearts does an Octopus have?
How many hearts does an Octopus have?A. 1
B. 2
C. 3
D. 4Among the following organisms which shows the best adaptations for locomotion?
Among the following organisms which shows the best adaptations for locomotion?
A. Amoeba.
B. Earthworm.
C. Reptiles
D. Amphibians.