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inysia [295]
2 years ago
8

What is the definition of spiral density wave?

Biology
1 answer:
aleksandrvk [35]2 years ago
3 0
Theory proposed by C.C. Lin and Frank Shu in the mid-1960s to explain the spiral arm structure of spiral galaxies
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A pink snapdragon plant is crossed with a red snapdragon plant. What percent of the offspring can be predicted to have white flo
Leviafan [203]
Your answer would be A. because its "parents" do not have any white flowers at all. The color of its flowers would be dark pink.
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3 years ago
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The combined genetic information of all members of a particular population forms a
cricket20 [7]

Answer: Gene Pool

Explanation:

Gene pool is the collection of all the gene and various allelic form of those gene within a population.

Variation naturally occurs among the gene of members of the same species that interbreed.

Gene pool It is therefore the total number of gene of all the members among the population of a particular species. Gene pool is used to determine the level of mutation, variation, genetic diversity among members of a population.

3 0
3 years ago
What are invasive species in California?
Sedaia [141]
Hey, Cincins!
Giant reed(grass),Brown trout(fish), European green crab, Sudden oak death(fungus), Yellow star thistle(weed), and Glassy-winged sharpshooter(insect).
I hope this helps;)
6 0
3 years ago
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Which is used as evidence for the idea that multicellular organisms evolved from prokaryotes
anzhelika [568]

Living things has emerged into three domains called Archaea, bacteria, and eukaryotes. Evident that support the idea that multi cellular that is eukaryotic cell evolved from the prokaryotic cell are the descendents of the separate prokaryotic cells that together form a union which are inter dependent.

For example: The mitochondria which is referred to the energy source of the cell is considered as the great-great-great-granddaughter of a bacterium cell which is free living. This free living bacterium bacterial cell was consumed by an other cell and this remained as the stable guest in the cell. This mitochondria provided chemical energy to the cell and also protected the nutrient rich environment.  which surrounds it. This process of one organism residing in the other organism completely is called endosymbiosis.

5 0
2 years ago
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5. Design an experiment that
notsponge [240]

Explanation: this experiment is long term which means patience is compulsory. you need to have a wild sloth and a domesticated sloth adopted right at their birth (he should be in a controlled environment that mimics the wild). your domesticated sloth shouldn't have the algae. at their middle age, you should compare them with them from every aspect.

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