The blood vessel that supplies blood rich in digested food to the liver is the
Hepatic artery
Hepatic portal artery
Hepatic portal vein
Hepatic vein
Renal artery
Correct answer is C
No explanation has been provided for this answer.
Which of these allelic pairs represent a homozygous dominant trait?
TT
Tt
tt
Bb
bb
Correct answer is A
No explanation has been provided for this answer.
In all energy conversions a certain amount is always lost as heat
In any given ecosystem, the energy transformations can be classified into catabolic and anabolic processes
The energy at one trophic level is the same as the next higher or the one below it
The sun is the ultimate source of energy in the universe
The total energy in an ecosystem is constant
Correct answer is C
No explanation has been provided for this answer.
Which organisms are NOT autotrophic?
algae
Ferns
fungi
grasses
mosses
Correct answer is C
No explanation has been provided for this answer.
The genetic composition of an organism is termed
an allele
a cross
a genotype
a phenotype
a hybrid
Correct answer is C
No explanation has been provided for this answer.