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Ivanshal [37]
3 years ago
14

The diagram below shows the layers of a rock having an ammonite:

Biology
2 answers:
Fynjy0 [20]3 years ago
6 0

fossil y exsited during the same period a ammonite

d1i1m1o1n [39]3 years ago
6 0

Answer: Option (2)

Explanation: It is clear from the figure that the fossil Z appears to be at the top, fossil Y in the middle and fossil X at the bottom, and we know that the rocks appearing at the top is younger than the rocks that are present below. Thus it is applicable in terms of fossils too i.e the fossil Z is younger than the fossil Y.

Hence the correct option is (2)

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The vegetal pole of a frog zygote differs from the animal pole in that ______. A. the vegetal pole has a higher concentration of
BARSIC [14]

The vegetal pole of a frog zygote differs from the animal pole in that the vegetal pole has a higher concentration of yolk.

After the fertilisation of the egg by the sperm in a frog, three regions are formed in the zygote. These are:

  1. Upper animal hemisphere or upper animal pole which shows pigmentation.
  2. The grey crescent which is a small area with almost no pigmentation. It is present in between the upper animal pole and the lower vegetal pole.
  3. Lower animal hemisphere or lower vegetal pole which is white in color.

Thus, the vegetal pole of a frog zygote differs from the animal pole in that the vegetal pole has a higher concentration of yolk.

Learn more about the frog zygote here: brainly.com/question/14951741

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5 0
1 year ago
Plants will adapt in Taiga biomes in different ways than in Alpine biomes. What is the most noticeable difference? A) The low gr
Ulleksa [173]

I believe the answer is C

7 0
2 years ago
Read 2 more answers
Discuss how a soil, a natural body, differs from soil, a
snow_tiger [21]

Answer:

Soil is a material made up of gases, organic substances, water, and microorganisms. This material may be used in building a roadbed and is often referred to as dirt. In comparison, a soil is a natural body that is three-dimensional much like a lake or mountain.

Explanation:

Hope this helps

8 0
3 years ago
Insect hormones and their receptors ________. A. act independently of each other B. are a focus in pest control research C. util
Leokris [45]

Insect hormones and their receptors are a focus in pest control and research. Hence, Option B is correct.

Some of the insect hormones such as ecdysone (molting hormone), JH (juvenile hormone) and their analogs can be used for biological  control of pests.

Option A: Hormone receptors are proteins that bind hormones and form hormone receptor complex to maintain cellular activities.

So Option A is incorrect.

Option B: Some of the peptide hormones used in pest control and research. So Option B is correct.

Option C: Peptide hormones interact with only cell surface whereas aminoacid derivatives and thyroid hormones directly interact with nucleus. so Option C is incorrect.

option D is incorrect.

Learn more on hormone receptor complex here:

brainly.com/question/15241630?utm_source=android&utm_medium=share&utm_campaign=question

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3 0
1 year ago
What sexual selection does the Cuban greater funnel-eared bat (Natalus Primus) have?
Zinaida [17]
The answer is : <span>There seems to be no evidence of </span>sexual dimorphism (sexes alike). The Cuban greater funnel-eared bat (Natalus Primus) have no evidence sexual dimorphism.  Meaning they are <span>monomorphic.</span>
6 0
3 years ago
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