Sexual Dimorphism

Question 1

refers to the distinct differences in the physical characteristics of males and females of the same species. These differences can manifest in a variety of traits, including size, coloration, structure, behavior, and ornamentation.

Answer 1

Sexual Dimorphism

Question 2

One of the most famous examples of _____________ is the peacock, where males are known for their extravagant and brightly colored tail feathers, which they fan out during courtship displays to attract females. Females (peahens) have more subdued, brownish plumage, which helps them remain camouflaged while they care for the eggs and young.

Answer 2

Sexual Dimorphism

Question 3

Sexual dimorphism often arises due to

Answer 3

Sexual Selection

Question 4

refers to the ability of an animal to navigate to a specific location using an internal “map” of the environment.

Answer 4

True Navigation

Question 5

Migrating birds such as the European robin or arctic terns use ____________ ________ to migrate over long distances.

Answer 5

True Navigation

Question 6

a navigation strategy where an animal uses familiar landmarks (visual, auditory, or olfactory cues) to orient itself and move towards a destination.

Answer 6

Piloting

Question 7

Squirrels use __________ when navigating through familiar trees, branches, or structures to find food sources or return to their nests. They rely on visual landmarks like specific trees or objects that they’ve previously encountered.

Answer 7

Piloting

Question 8

involves an animal using an external compass (such as the sun, stars, or magnetic field) to maintain a consistent direction, usually without relying on landmarks.

Answer 8

Compass Orientation

Question 9

Sea turtles use __________ _________when they migrate across the open ocean. Hatchling sea turtles, for example, use the Earth’s magnetic field to orient themselves towards the ocean after hatching, while adult turtles use a similar system to navigate across thousands of miles in the open ocean to their breeding sites.

Answer 9

Compass Orientation

Question 10

Communicates distance and direction of a food source to other bees using the sun’s position as a reference. It’s used for resources that are far away (greater than 50 meters).

Answer 10

Waggle Dance

Question 11

Used for food sources that are close to the hive. It conveys less information about distance and direction but still informs other bees about the presence of food nearby.

Answer 11

Circle Dance

Question 12

The neural and sensory mechanisms in the bee’s brain and body that allow the bee to perform the dances and communicate the relevant information about food.

Answer 12

Proximate cause of Bee Dances

Question 13

Ultimate Cause of Bee Dances

Answer 13

The evolutionary benefit of these dances in enhancing the colony’s food-finding efficiency, leading to greater survival and reproductive success for the colony.