You observe an embryo with meroblastic cleavage, extraembryonic membranes, and a primitive streak. How would you identify this organism, based on the information given?

A) insect
B) fish
C) amphibian
D) bird
E) sea urchin


Answer: D) bird

Biology & Microbiology

You might also like to view...

Hox complexes in mammals are homologous to invertebrate ______

A. zygotic genes B. segmentation genes C. homeotic genes D. maternal effect genes

Biology & Microbiology

Digestion of which major nutrient type depends heavily on the process of emulsification?

A. carbohydrates B. lipids C. nucleic acids D. proteins E. bile salts

Biology & Microbiology

In a theoretical population in Hardy-Weinberg equilibrium, 550 individuals have the AA genotype, 300 have Aa, and 150 have aa. For this population, p = ________

a. 0.9 b. 0.2 c. 0.5 d. 0.7

Biology & Microbiology

Compare and contrast the lactose operon with the tryptophan operon

What will be an ideal response?

Biology & Microbiology