Answer:
Some rare autotrophs produce food through a process called chemosynthesis, rather than through photosynthesis. ... Instead, they make food using energy from chemical reactions, often combining hydrogen sulfide or methane with oxygen.
And distribution of high-quality educational content that will<span> serve both as core ... Except as otherwise noted, </span>all<span> CK-12 Content (including CK-12 Curriculum ..... In each of the following </span>situations<span>, </span>identify<span>the</span><span /><span> population, the units, each ... The </span>use<span> of the digits “1” and “2” to put the students in </span>groups<span> has no ... statistical </span>analysis<span>.</span>
<span>People depend on biodiversity in their daily lives, in ways that are not always apparent or appreciated. Human health ultimately depends upon ecosystem products and services (such as availability of fresh water, food and fuel sources) which are requisite for good human health and productive livelihoods. Biodiversity loss can have significant direct human health impacts if ecosystem services are no longer adequate to meet social needs. Indirectly, changes in ecosystem services affect livelihoods, income, local migration and, on occasion, may even cause political conflict.</span>
