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aivan3 [116]
3 years ago
15

ANSWER QUICKLY. THIS QUESTION COST A LOT OF POINTS! *where do crevasses form?* a. in the zone of fracture b.below the zone of fr

acture c.at the terminus d.in ircebergs
Biology
1 answer:
inn [45]3 years ago
8 0

Answer:

Icebergs

Explanation:

Crevasses usually form in the top 50 meters (160 feet) of a glacier, where the ice is brittle

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A scientist is studying a plant species in which the flower color genes are codominant the scientist crosses a plant with red fl
strojnjashka [21]
In co dominance, both alleles show. Thus, the filial, F1, generation, will most likely be white with red spots/speckles. See image below.

6 0
3 years ago
From one original cell, four genetically unique daughter cells, each with 23 nonreplicated chromosomes, are produced at the conc
lukranit [14]

Answer:

True

Explanation:

Meiosis is a type of cell division that occurs in gametic cells. In this cell division, one cell is divided into four cells and the chromosome number is reduced to half therefore it is also called reduction division.

During meiosis crossing over occurs between homologous chromosomes that allow the exchange of genetic material between them that results in the formation of genetically unique daughter cells.  

In spermatogenesis during the first meiosis division, the homologous chromosomes get separated into two daughter cells reducing the chromosome number by half and during second meiotic division sister chromatids separate into two more cells. Therefore four genetically different cells are generated.

3 0
3 years ago
The economic principle that helps ensure that scarce resources are allocated efficiently is
disa [49]

Answer:

The economic principle that helps ensure that scarce resources are allocated efficiently is "the profit motive."

Explanation:

In economics, the profit motive is the inspiration of organizations that function so as to exploit their profits. Conventional micro-economic concept suggests that the eventual goal of a commercial is to make money. Specified differently, the aim for a business's presence is to chance a profit. The profit motive is the craving to make money. In a free market (where people willingly swap money, goods and services, the profit motive agrees who grows what. In theory, the profit motive dispenses resources efficiently, but in practice there are some problems.

6 0
3 years ago
The cycads, a mostly tropical phylum of gymnosperms, evolved about 300 million years ago and were dominant forms during the age
ozzi

Answer:

poliinators and flagellated sperm

Explanation:

Cycads (phylum Cycadophyta) together with Ginkgophyta, Gnetophyta, Pinophyta, Pteridospermales and Cordaitales  belong to the gymnosperms (naked seed-producing plants). They are different than angiosperms which produce encased seeds within an ovary.

Cycads (but also Ginkgo) produce swimming sperm that is different than all other groups which produce sperm without swimming flagella.

Also, unlike other groups of gymnosperms, cycads have specialized  pollinators, beetls.

6 0
3 years ago
Explain the concept of “natural selection” and what it really means. Specifically what actually causes the natural selection and
katrin [286]

Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment and are more likely to survive and pass on the genes that aided their success. This process causes species to change and diverge over time.

Hope this helps :))

4 0
2 years ago
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