Which of these BEST describes the benefit of variation within a species?
Select one:

It is energetically inexpensive for organisms to maintain.

It occurs even among organisms that are isolated from other organisms

It allows most organisms to find appropriate mates.

It ensures some organisms can survive an environmental change.

Texas bluebonnet plants seen in this photo are an example of which ecological unit?

Asap timed! 1. ice core samples from glaciers ice caps contain bubbles of ancient atmosphere that are in layers based on age. what questions are scientists most interested in? a. how the amount of water vapor needed to make the ice has changed b. how the amount of ozone has changed over time.c. how the amount of ice in each layer has changed over time d. how the amount of carbon dioxide has changed over time 2. what produces milankovich cycles ? a. sunspots ams solar flare on the suns surface b. changes in the earths orbit c. gravitational changes bases on the position of the sun and the moond. cycles of vegetation that result in desert and rainforest conditions

The first three phases of the cell cycle are collectively known as (1 point) play audio cellular respiration. telophase. mitosis. interphase.