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Mkey [24]
3 years ago
8

One difference between monotremes and other types of mammals is

Biology
2 answers:
jonny [76]3 years ago
7 0

Answer: C I just took the practice and got this correct!

Explanation:

dsp733 years ago
6 0

Answer:

d) monotremes secrete milk through pores on the surface of the mother's abdomen

Explanation:

Monotremes are a specific group of egg-laying mammals (oviparous). They do not give birth to their young ones like other mammals. Thus, other mammals are viviparous. Although monotremes lay eggs but like other mammals secrete milk through mammary gland openings in the skin. Examples of monotremes are echidna and the duck-billed platypus.

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Explain how natural selection could lead to a change in allele frequency leading to a change in the color of the frogs.
Pie

Answer:

Due to increasing the survival.

Explanation:

The natural selection causes a change in allele frequency leading to a change in the color of the frogs because the colour of the frog helps it in hiding from predators. The population of that frog specie increases which has the ability to hide from the predators in that environment while on the other hand, the population of frog decreases which can easily be seen by the predator due to its colour so this change in allele frequency will leads to natural selection.

5 0
3 years ago
Place the events in the correct order:
Alecsey [184]

Answer:

1. Chromatin condense into chromosomes.

4. Homologous chromosomes pair up (formation of tetrads).

5. Homologous chromosomes separate and move to poles.

2. Sister chromatids separate.

3. Chromosomes unravel in to chromatin.

Explanation:

This question portrays the process of meiosis in a cell. The ordered sequence of events in the options are:

1. Chromatin condense into chromosomes - This process occurs in the Prophase stage. Prior to the cell division, the nuclear material is found as Chromatin material. This Chromatin material then undergoes condensation to form visible chromosomes.

4. Homologous chromosomes pair up (formation of tetrads) - This process also occurs during the Prophase stage of meiosis I. In this stage, homologous chromosomes (similar but non-identical chromosomes received from each parent) are paired up side by side to form a structure known as TETRAD or BIVALENT.

5. Homologous chromosomes separate and move to poles - This process characterizes the Anaphase stage of meiosis I. Homologous chromosomes are pulled apart to opposite poles of the cell by spindle microtubules.

2. Sister chromatids separate - After meiosis I, meiosis II involving sister chromatids instead of homologous chromosomes follows. In the Anaphase stage of meiosis II specifically, sister chromatids are pulled apart towards opposite poles of the cell.

3. Chromosomes unravel in to chromatin - After the whole division process i.e. karyokinesis (division of the nuclear material), the chromosomes begin to unravel to form the CHROMATIN threads once again. This process occurs in the Telophase stage of meiosis.

5 0
3 years ago
Answer this fast!TRUE ANSWERS ONLY!
vodomira [7]
The goal was to see if Earth's ecosystems could be successfully manufactured and maintained elsewhere in the galaxy, should we need to bail on this planet.

It was named Biosphere 2 because it was meant to be the second fully self-sufficient biosphere, after the Earth itself
6 0
2 years ago
What results would you expect if you were completing a blood type test on B- blood? Explain.
Zarrin [17]

Answer:

that depends on what you were testing for but is it always good for it to come up negative for any diseases

Explanation:

8 0
3 years ago
Four haploid gametes are formed
uysha [10]

Answer:

Four haploid gametes are formed

Explanation:

5 0
2 years ago
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