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Contact [7]
3 years ago
10

Indicate whether each description applies to a specific group of gymnosperms or to all gymnosperms. drag each item to the approp

riate bin. view available hint(s) resethelp all species produce cones pines undergo alternation of generations leaves have fanlike appearanceredwoodsonly one living species todayhave palmlike leavesseeds do not form in an enclosed structureincludes three genera that vary greatly in appearance cycads only ginkgos only gnetophytes only confires only

Biology
1 answer:
muminat3 years ago
3 0
As you can see in the table presented below, all of the gametophytes have seeds do not form in an enclosed structure and <span>undergo alternation of generations (marked in purple)
The gingkos were widespread in the distant past, but are now presented with only one species with fan-like leaves, the Gingko Biloba. (green)
The gnetophytes have three genera with very different looking species. One of the most iconic ones being the Welwitschia mirabilis often called the wise man's beard. (blue)
The conifers include redwoods, like sequoias and all, have pines as leaves and produce cones. (brown)</span>

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In one plant, the allele for long stems (L) is dominant; the allele for short stems (l) is recessive. The scientist crossed a he
jonny [76]

Complete question:

In one plant, the allele for long stems (L) is dominant; the allele for short stems (l) is recessive. The scientist crossed a heterozygous, long-stemmed plant with a short-stemmed plant. Which of these shows the expected results of this cross?

  1. 50% long-stemmed plants and 50% short-stemmed plants
  2. 75% long-stemmed plants and 25% short-stemmed plants
  3. 100% long-stemmed plants
  4. 100% short-stemmed plants

Answer:

  1. 50% long-stemmed plants and 50% short-stemmed plants

Explanation:

Due to technical problems, you will find the complete explanation in the attached file.

Download pdf
6 0
3 years ago
When a human moves to high altitudes (like from Boston to Denver, Colorado), they adapt to the lack of oxygen by increasing thei
xz_007 [3.2K]

Answer:

True

Explanation:

With the increase in altitude, the atmospheric pressure and amount of oxygen decreases.

When a person moves to high altitude, they adapt to the lack of oxygen by increasing their red blood count and the process is called acclimatization. The lack of oxygen is monitored by the peripheral chemoreceptors,  that increases ventilation. The body starts producing red blood cells (RBC) in order to resist the lower oxygen saturation in blood in high altitudes.

That is why, people living in high altitudes have higher red blood cells count in comparison to people living in cities or plain areas.

Hence, the given statement is true.

8 0
3 years ago
A zygote is the product of fertilization. The diploid zygotes of the four organisms seen here all underwent __________ and _____
Eva8 [605]
A zygote is the product of fertilization. The diploid zygotes of the four organisms seen here all underwent mitosis and differentiation in order to produce the four very different embryos. The differentiation of cells during embryogenesis is the key to cell, tissue, organ, and organism identity. Once an egg is fertilized by a sperm, a zygote is formed. The zygote divides into multiple cells by mitosis, triggering the beginning of embryonic differentiation. <span />
3 0
3 years ago
Read 2 more answers
What is the difference between light microscope and electronic microscope​
alexandr402 [8]
<h3>i hope it's helpful for you</h3>

3 0
3 years ago
A purebred tall pea plant is cross-pollinated with a tall, heterozygous pea plant. Use a Punnett square to determine the probabi
o-na [289]

Answer:

50%

Explanation:

because if you use the box method you see that half receive a short alele.

T     t  

T TT  Tt

T TT   Tt

3 0
4 years ago
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