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bearhunter [10]
3 years ago
6

Crossing over is a process which contributes to diversity in offspring of an organism. Which statement

Biology
2 answers:
iris [78.8K]3 years ago
6 0

Answer:Homologous chromosomes exchange genetic information during prophase 1

Explanation:

siniylev [52]3 years ago
5 0

Answer:

The correct answer is - homologous chromosome exchange genetic information during prophase I.

Explanation:

Genetic variation or diversity in the offspring of an organism comes from the process of crossing over which takes place in gametes formation during meiosis.

In prophase I of meiosis I, the recombination or crossing over takes place in which the homologous chromosomes pair joins with a structure called synapsis, and segments or the arms of the non-sister chromatids are exchanged during the production of the gamets.

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Significance of soil air​
suter [353]

Answer:

The soil air​ is responsible for influencing the availability of many nutrients. Soil air is also by many of the microorganisms that release plant nutrients to the soil. The soil air can fill soil pores as water drains or is removed from a soil pore by evaporation or root absorption.

Explanation:

3 0
2 years ago
The passage indicates that compared with other functions of coloration in plants, camouflage in plants has A) provided scientist
stiks02 [169]

Question passage: This PASSAGE is adapted from “Rare Woodland Plant Uses‘Cryptic Coloration’ to Hide from Predators.” ©2009 byAmerican Journal of Botany, Inc.It is well known that some animal species usecamouflage to hide from predators. Individuals thatare able to blend in to their surroundings and avoidbeing eaten are able to survive longer, reproduce, andthus increase their fitness (pass along their genes tothe next generation) compared to those who standout more. This may seem like a good strategy, andfairly common in the animal kingdom, but who everheard of a plant doing the same thing?In plants, the use of coloration or pigmentation asa vital component of acquiring food (e.g.,photosynthesis) or as a means of attractingpollinators (e.g., flowers) has been well studied.However, variation in pigmentation as a means ofescaping predation has received little attention.Matthew Klooster from Harvard University andcolleagues empirically investigated whether the driedbracts (specialized leaves) on a rare woodland plant,Monotropsis odorata, might serve a similar purposeas the stripes on a tiger or the grey coloration of thewings of the peppered moth: namely, to hide.

The PASSAGE indicates that compared with other functions of coloration in plants, camouflage in plants has A) provided scientists with a deeper understanding of potential food sources. B) made use of a wider variety of distinctive shades of colors. C) proved to be a less effective defense against predators. D) been the subject of a smaller number of scientific investigations.

Answer: The correct option is C(proved to be a less effective defense against predators).

Explanation:

Adaptation is a means by which plants or animals modify their forms, structures, functions and behaviour in order to escape being harmed and survive in their environment. The special adaptations of organisms in a habitat enables them to live there successfully and reproduce. There are 3 types of adaptation which include:

--> structural adaptation,

--> adaptive coloration and

--> behavioural adaptations.

From the passage, the plant under study shows ADAPTIVE COLOURATION. Colour and colour pattern plays an important role in adaptations of plants. These occur due to the presence of pigments in cells of plants. Common pigments responsible for coloration in plants are:

--> chlorophyll: this gives green colour to plants that has chloroplasts in their cells.

--> Carotene and xanthophyll: this gives yellow to orange colour to plants that has chromoplasts in their cells.

From the passage, the use of coloration or pigmentation in the plant as a vital component of acquiring food (e.g.,photosynthesis) or as a means of attracting pollinators (e.g., flowers) has been well studied but it's use to escape from predation has received little attention. Therefore camouflage in plants has proved to be a less effective defense against predators.

7 0
3 years ago
Free-floating animals or animal-like protists:
siniylev [52]
Phytoplankton

They are the only one that are both animals and protists as they can be either
5 0
3 years ago
Scientists group materials together ________ it is easier to compare and study them that way
o-na [289]

The provided question is incomplete, the correct and complete question is as follows:

Choose the answer that best completes the sentence below.

Scientists group materials together ____________ it is easier to compare and study them that way.

A however

B but

C although

D because

Answer:

The correct answer is - option D because.

Explanation:

Researcher and scientists tries to group material together on their similarities and difference to one another which makes it easier to study and compare various type of materials.

It is the one of major reasons to differentiate materials between groups like liquids state, gases state,  plasma state and solid state materials. One can easily see the difference and comparison is very clear on this type of grouping of materials.

Thus, the correct answer is - option D.

5 0
3 years ago
Why is it important to avoid applying too much nitrogen fertilizer?
solniwko [45]

Answer:

too much nitrogen in surface runoff can cause algae to overgrow

Nitrogen fertilizers used in large-scale agriculture could leave a legacy of pollution that would persist for decades in soil and groundwater, scientists in France and Canada warned, which published a study in the National Academy of Sciences magazine, " PNAS ". According to these scientists, the excess of these fertilizers in the environment has been linked to contaminated drinking water and can cause the rapid growth of algae that compromise aquatic ecosystems and coastal marine life.

Explanation:

Brainliest please?

7 0
2 years ago
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