Which of the following statements is false?
A) Gametes are haploid cells.
B) Two haploid cells fuse during fertilization.
C) An X chromosome is an autosome.
D) A zygote is a fertilized egg.
Answer: C
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Alfred Wallace is best known for authoring an essay in which he proposed that ________
a. fossils found in deeper strata are older than those in more shallow layers b. continental plates drift slowly across the surface of the planet c. organisms change over time through evolution by natural selection d. DNA base sequences encode the amino acid sequences of proteins
The process by which new species originate
A. is extinction. B. occurred for millions of years but is no longer occurring. C. is speciation. D. is germination. E. occurred only once in Earth's history.
How are dry fruits different than fleshy fruits? How might these differences affect the way that their seeds are dispersed?
What will be an ideal response?
Protozoan cysts are resistant to many disinfection methods.
Answer the following statement true (T) or false (F)