Answer:
To make shells (Ans. C)
Explanation:
Carbon dioxide from the atmosphere dissolves in the water present in the ocean. Organisms in the ocean use carbon to make calcium carbonate, which is building material of shells of organisms. Organisms that use calcium carbonate for protection and structure are known as calcifying organisms.
b. marshmallows catching fire
c. photosynthesis
b. tundra
c. arctic
d. taiga
The correct option is D.
The Taiga biome, which is also known as the coniferous forest has been described as the largest terrestrial biome because it extends across some continents of the world. The biome typically has short summers, which can be very wet and winters, which are long and can be very cold. The majority of plants in taiga biome are conifers and these plants are described as ever green because they remain green all year round.
B. genetic drift
C. sexual selection
D. gene flow
Adaptive evolution means evolutionary changes in an organism that make it suitable for its habitat. Natural selection is the factor that can lead to evolution for change in body color that enabled animals to better hide from predators.
A genetic trait that helps organisms to increase their reproductive success are adaptive traits. It is a type of natural selection.
Adaptive evolution can be done by following process:
Thus,the correct option is A.
For more information about adaptive evolution, visit:
a. autotrophs
b. heterotrophs
c. producers
d. scavengers
fossil. What observations would you make to determine if your suspicions are accurate?
c.sulfur dioxide
b. nitrogen oxide
d. fossil fuels
Answer:
D, Fossil fuels
Explanation:
Many industries and power plants that generate our electricity must burn fuel to get the energy they need. They usually burn fossil fuels. Burning fossil fuels releases huge quantities of sulfur dioxide and nitrogen oxide into the air.