Shifts in the Timing of Bird Migrations Due to _______

question 4

Multiple Choice

Shifts in the timing of bird migrations due to _______ can affect the probability of the birds feeding on fish and insect populations. If birds migrate when fish are not spawning or insects are not at the peaks of their populations, the birds may not find food along their migratory paths and they will not be able to complete their journey due to weakness or death. This may affect their ability to successfully reproduce and thus their populations will decline.

• A) introduction of invasive species
• B) poaching
• C) global climate change
• D) habitat loss
• E) introduction of disease

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Definitions:

Temperatures

A measure of the warmth or coldness of an object or substance with reference to some standard value.

Freshwater Lakes

Bodies of standing water, of various sizes, that contain low concentrations of salt, making them habitable for a variety of freshwater organisms.

Turn Over

The process of replacing or renewing something to restore freshness or to provide consistency.

Tropical Biome

A biome characterized by a warm climate year-round, significant rainfall, and a high level of biodiversity, typically located near the Equator.