Multiple ChoiceWhich of the following best describes a key difference between primary and secondary succession?19views
Multiple ChoiceWhich of the following best describes how microevolution and migration can affect an ecosystem?24views
Multiple ChoiceWhich of the following characteristics evolved independently in mammals and birds?359views
Multiple ChoiceWhich evolutionary adaptation enabled plants to grow tall and compete for sunlight?20views
Multiple ChoiceWhich of the following statements is accurate with regard to the Cambrian Explosion?19views
Multiple ChoiceA relationship in which one species kills and consumes another species is known as:32views
Multiple ChoiceHow do adaptations help an organism reduce competition for food and other resources?388views
Multiple ChoiceA frog produces more offspring than can survive on the available resources. Which concept does this best illustrate in the context of natural selection?23views
Multiple ChoiceWhy does the ability to produce up to 100 offspring increase the fitness of scorpions?24views
Multiple ChoiceWhy are dark-colored pocket mice more commonly found in locations with dark substrate?23views
Multiple ChoiceWhich of the following circumstances is necessary for evolution by natural selection to occur in a population?18views