Which congenital heart defect occur in trisomy 13 trisomy 18 and down syndrome?

If scientists are studying the ergets, herons, marsh crabs, and cordgrass, but not water or rocks in a salt marsh, what level of organization would they be studying?

Nah becuase thus is boring just looking for answers on this wonderful website so not asking questions bu by

What are the nuclear particles assumed to hold the nucleons together

Should bones be named according to their structure or function

Which of the following is an appropriate hypothesis to answer the question why are leaves green

Could a person inherit homozygous recessive alleles for both alkaptonuria and and phenylketonuria? If so, what would the symptoms be?

Which is a common age-related physical change that may affect digestion and food intake? a. loss of the majority of taste buds b. decreased cholecystokinin secretion c. decreased motility in the esophagus d. loss of smell?

If an organism''s diploid number is 12, what would be its haploid number?

Hola : D Necesito saber que relacion tiene la forma del tejido con el organo al cual pertenece

How does the live ensure that the body will have a constant supply of energy