Answer:
Revolution. As the earth rotates on its axis, it also revolves in orbit around the sun. It takes exactly 365 days for Earth to make one full trip around the sun -- our definition of a year.
Explanation:
<u>Revolution. As the earth rotates on its axis, it also revolves in orbit around the sun. It takes exactly 365 days for Earth to make one full trip around the sun -- our definition of a year.</u>
Answer:
Because they are triploblastic ( Triblastica ).
Explanation:
Their body is composed of endoderm, mesoderm and ectoderm. While Cnidaria are Diblastica, so they are composed only from two layers: endoderm and ectoderm.
In addition larvae of Echinoderms are bilaterally symmetrical and they become nearly-radial only as adults.
Option A and D are cell organelles. Option C is a haploid cell, while option B (bacterium) is a living organism.
Answer:
Galactosemia is inherited in an autosomal recessive manner, meaning a child must inherit one defective gene from each parent to show the disease. Heterozygotes are carriers, because they inherit one normal gene and one defective gene. Carriers show no symptoms of galactosemia.
Answer:
The key elements of an amino acid are carbon (C), hydrogen (H), oxygen (O), and nitrogen (N).
Glucose is a hydrocarbon, so it contains carbon (C), and hydrogen (H). It also contains oxygen (O).
Nucleic acids are complex arrangements of carbon, hydrogen, oxygen, nitrogen, and phosphorous.
Explanation:
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