Son variaciones en los ecosistemas acuáticos por efecto del cambio climático: 1)Aumento del nivel del mar e inundaciones y deslizamientos de terrenos susceptibles.
Disminución de las playas que son el hábitat de muchas especies que nidifican en ellas.
2)Aumento de las temperaturas de las aguas y cambio de la composición química de las aguas
3)Efecto sobre el fitoplancton que es un constituyente esencial en las redes tróficas marinas.

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

Explain the process that creates the heat of the sun?

The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids