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sweet-ann [11.9K]
3 years ago
12

Which organ contains circular muscles called sphincters that control the release of urine

Biology
1 answer:
Lady bird [3.3K]3 years ago
5 0
Bladder, I believe. But they are saying that my answer must be 20 Characters long...
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In a food web, a bird eats plant-eating insects but also eats berries, where does the bird fit in the food web?
kicyunya [14]

Answer:

the answer is a. both as a primary and secondary consumer

Explanation:

primary consumers eat producers.

secondary consumers eat primary consumers.

in this scenario, the bird fits into both categories, because it feeds on berries (producers) and plant-eating insects (primary consumers)

4 0
3 years ago
Which one of the following characteristics of Archaea enables them to survive in extreme environments?
Nesterboy [21]
A,
<span>Their ability to survive on other sources of energy if the required resources are not present.</span>
3 0
3 years ago
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A spore stalk grows from the gametophyte of a moss. What is the next step in its life cycle?
salantis [7]
Your answer is meiosis I'm pretty sure :)
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3 years ago
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Which event might cause the carrying capacity of a population to change?
tamaranim1 [39]

Answer:

Carrying capacity can be described as the maximum number of population of a species that a particular habitat can hold.

There are a number of events which effect the carrying capacity like:

  • Environmental changes:

Environmental changes like weather conditions might become favorable for a species in a habitat. It might be that a certain weather condition raises more food for a species. Hence, the carrying capacity would increase.

It might be conditions like drought make the availability of nutrients scarce for a population of species. In this case, the carrying capacity of the ecosystem would decrease.

  • Other organisms :

It might happen that other species might come to live in the particular area. That species will deplete the availability of resources and cause the carrying capacity to decrease.

  • Water supply:

If adequate amount of rain fall occurs in an area, it might cause the carrying capacity of a species to increase as there will be more water. But if the water supply becomes scarce, the carrying capacity would decrease.

6 0
3 years ago
What is the difference between a bony fish and a cartilaginous fish?
blondinia [14]
Bony fish belong to Class Osteichthyes, while cartilaginous fish belong to Class Chondrichthyes. Bony fish have a bony skeleton, while cartilaginous fish have one composed mostly of cartilage. Bony fish have body coverings of scales, while cartilaginous fish are covered with dendritical projections (think shark skin).
Bony fish are found in fresh and salt water; cartilaginous fish are found only in salt water. Bony fish have gills covered by an operculum; cartilaginous fish have gill slits. Bony have no eyelids; the cartilaginous fish do. Bony fish have an air-filled swim bladder; cartilaginous fish have an oil-filled liver to keep them bouyant. Hope this helps! Whew!
3 0
3 years ago
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