Answer:
the heart it is because the heart beats and it goes up and down
This was to gain more support for Allied efforts in the
Second World War to ensure their victory.
By utilizing media, propaganda to support the war went into full swing
as companies lent their efforts to achieve that end. They convinced people to buy war bonds as
well as boost morale for the troops.
(B) The isolated hectare plots increase the ability of individuals to disperse from one habitat to another.
<h3>What is a Ecologist?</h3>
In the 1990s, the reintroduction of wolves to Yellowstone National Park garnered widespread media attention and significantly increased the park's biodiversity. Unfortunately, the spread of exotic species like zebra mussels, Kudzu vines, and Burmese pythons in other regions of the United States more than offsets this success for native ecology.
The diverse roles that different species play in their communities make changes to those ecosystems very disruptive. Ecologists can aid us in making better decisions that reduce the effects of our actions on other species and the world by deepening our understanding of how nature functions.
Learn more about Ecology with the help of the given link:
brainly.com/question/13874999
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They evolved during the Cambrian explosion.