#Question id: 11361
#Section 4: Behavioural Ecology
Which of the following tends to stabilize predator-prey relationships?
#Question id: 16891
#Section 3: Mathematics and Quantitative Ecology
#Question id: 4574
#Section 2: Evolution
Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are
#Question id: 11179
#Section 1: Ecology
The defended portion of a home range is called the
#Question id: 4952
#Section 2: Evolution
Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it?