Much greater proportion of energy fixed by autotrophs is transferred to the herbivore level in the open ocean ecosystem than in a forest ecosystem because

#Question id: 5556

#5. Developmental Biology

Contact of a sea urchin egg with signal molecules on sperm causes the egg to undergo a brief ________.

#Question id: 5327

#8. Inheritance Biology

In the human pedigree shown here, the daughter indicated by the black circle (II-1) has a form of deafness determined by a recessive allele. What is the probability that the phenotypically normal son (II 3) is heterozygous for the gene?

#Question id: 1576

#4. Cell Communication and Cell Signaling

function of Properdin

#Question id: 4976

#11. Evolution and Behavior

Which of these is the most likely explanation for the existence of dicynodont fossils on modern-day Antarctica?

#Question id: 11385

#10. Ecological Principles

Which of the following biomes is correctly paired with the description of its climate?

A) savanna-low temperature, precipitation uniform during the year

B) tundra-long summers, mild winters

C) Taiga-relatively short growing season, Low precipitation

D) temperate grasslands-relatively warm winters, most rainfall in summer

E) tropical forests-nearly constant day length and temperature