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ivolga24 [154]
3 years ago
5

I need help on this Asap. i also need an explanation to go with the answer.

Biology
1 answer:
Anna35 [415]3 years ago
5 0

Answer:

For question 20. I believe the answer is C. There would be more iguanas with webbed feet.

Explanation:

It states the iguanas have adapted to different habitats on the island. The iguanas that have webbed feet will be better at getting food in water, but slower on land. So if the land starts to disappear and turns into more water, the iguanas with webbed feet will have a higher chance of survival. Meaning the iguanas with out webbed feet will die out as a population.

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Answer and Explanation:

Corals are translucid or white, but they look brightly colored because they host symbionts with colorful photosynthetic pigments . They can host different organisms that live on and among them, giving place to an amazing ecosystem.    

One of these organisms is the photosynthetic unicellular microalgae, called zooxanteles, that are colorful and provide nutrients to the coral.  

Corals provide shelter and protection to the algae, while algae provide nitrogenated nutrients, sugars, and color to the corals. Algae can store nitrogen in their tissues as nitrogen-rich crystals, which are constantly provided to corals.

This symbiotic relation allows corals to grow in different environments that are poor in nitrogen or other nutrients, such as the tropical clear waters.

When changes in radiation, temperature, or salinity in water occur, corals react to these changes losing these algae and becoming translucid again.

8 0
3 years ago
Which country looks like it is experiencing exponential growth?
sergeinik [125]

Answer:

Chinese they have got high birthrate than death rate

5 0
3 years ago
PLEASE HELP ASAP IM TIMED!! 100 PTS WILL GIVE BRAINLIEST TO WHOEVER ANSWERS FIRST AND CORRECTLY
Vesna [10]

Answer: More than 99 percent of all organisms that have ever lived on Earth are extinct. As new species evolve to fit ever changing ecological niches, older species fade away. But the rate of extinction is far from constant. At least a handful of times in the last 500 million years, 75 to more than 90 percent of all species on Earth have disappeared in a geological blink of an eye in catastrophes we call mass extinctions.

Though mass extinctions are deadly events, they open up the planet for new forms of life to emerge. The most studied mass extinction, which marked the boundary between the Cretaceous and Paleogene periods about 66 million years ago, killed off the nonavian dinosaurs and made room for mammals and birds to rapidly diversify

4 0
3 years ago
You are unable to collect capillary blood from the finger of a child who has cold hands that appear bluish. What term is used to
HACTEHA [7]

Cyanotic is the term used to describe the colour of the child's skin in the documentation of failure to collect a specimen.

Cyanosis is characterized by a shift in the colour of human tissues to a bluish-purple tone. This colour change occurs as a consequence of reduced levels of oxygen being attached to the haemoglobin in the RBCs of the capillary bed. The lips, mucous membranes, nail beds, and ear lobes are among the most common areas on the body to exhibit cyanosis as these areas have thinner layers of skin than other parts of the body. In addition to cyanosis, a bluish discolouration of the skin tissue can be caused due to the consumption of food products with blue or purple dyes.

Learn more about cyanosis here :

brainly.com/question/16109378

#SPJ4

4 0
2 years ago
PLEASE HELP ASAP!
irinina [24]
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