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TLS Online TPP Program

#Question id: 4596

In a hypothetical environment, fishes called pike-cichlids are visual predators of large, adult algae-eating fish (in other words, they locate their prey by sight). The population of algae-eaters experiences predatory pressure from pike-cichlids. Which of the following is least likely to result in the algae-eater population in future generations?

#Section 2: Evolution

  1. selection for drab coloration of the algae-eaters

  2. selection for nocturnal algae-eaters (active only at night)

  3. selection for larger female algae-eaters, bearing broods composed of more, and larger, young

  4. selection for algae-eaters that become sexually mature at smaller overall body sizes

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TLS Online TPP Program

#Question id: 3405

#Section 2: Evolution

Phylogenies can be used to test whether speciation has been sympatric or allopatric. Following figure shown a new species arises by allopatric speciation, its nearest relative will usually live in a different geographic area, such as in a nearby lake. Which of the following phylogenetic tree is correct?
TLS Online TPP Program

#Question id: 11258

#Section 1: Ecology

In order for mimicry to be effective in protecting a species from predation, it must
TLS Online TPP Program

#Question id: 12266

#Section 1: Ecology

Populations inhabiting fragmented habitats form
TLS Online TPP Program

#Question id: 11244

#Section 4: Behavioural Ecology

An individual plant that is a monoecious hermaphrodite has
TLS Online TPP Program

#Question id: 4698

#Section 2: Evolution

It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that