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.
The organism that has a hydrostatic skeleton is
Tilapia
Hydra
mosquito larva
earthworm
Correct answer is D
No explanation has been provided for this answer.
The basic point of impact by changes which produce mutation is the
gametes
chromosomes
phenotype
zygote
Correct answer is B
No explanation has been provided for this answer.
The best explanation for the theories of natural selection is that
all organisms have equal capacity for survival in their habitats
organisms have varying capacities for survival in their habitats
organisms compete for resource and better competitors survive and thrive
habitats allow only organisms that will not have to compete for survival
Correct answer is C
No explanation has been provided for this answer.