TLS Online TPP Program

#Question id: 10703


Keystone predators can maintain species diversity in a community if they

#SCPH28 | Zoology
  1. competitively exclude other predators
  2. prey on the community's dominant species
  3. allow immigration of other predators
  4. prey only on the least abundant species in the community
More Questions
TLS Online TPP Program

#Question id: 3275

#SCPH06 I Botany

When imbalances occur in the sex ratio of sexual species that have two sexes (that is, other than a 50:50 ratio), the members of the minority sex often receive a greater proportion of care and resources from parents than do the offspring of the majority sex. This is most clearly an example of ________.

TLS Online TPP Program

#Question id: 3275

#SCPH28 | Zoology

When imbalances occur in the sex ratio of sexual species that have two sexes (that is, other than a 50:50 ratio), the members of the minority sex often receive a greater proportion of care and resources from parents than do the offspring of the majority sex. This is most clearly an example of ________.

TLS Online TPP Program

#Question id: 3276

#SCPH06 I Botany

Which of these conditions are always true of populations evolving due to natural selection?

Condition 1: The population must vary in traits that are heritable.

Condition 2: Some heritable traits must increase reproductive success.

Condition 3: Individuals pass on most traits that they acquire during their lifetime.

TLS Online TPP Program

#Question id: 3276

#SCPH28 | Zoology

Which of these conditions are always true of populations evolving due to natural selection?

Condition 1: The population must vary in traits that are heritable.

Condition 2: Some heritable traits must increase reproductive success.

Condition 3: Individuals pass on most traits that they acquire during their lifetime.

TLS Online TPP Program

#Question id: 3277

#SCPH06 I Botany

Which of the following describes the most likely order of events in allopatric speciation?

TLS Online TPP Program

#Question id: 3277

#SCPH28 | Zoology

Which of the following describes the most likely order of events in allopatric speciation?