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Hunter-Best [27]
3 years ago
12

how could scientists test the hypothesis of different areas having lighter or dark skin pigmentation ​

Biology
1 answer:
Sergeu [11.5K]3 years ago
4 0

scientists can test differences of the area with pigmentation by observing which is lighter and which is darker however they use microscope to look the difference of the pigmentation over the cells.

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You are the scientific consultant for a television show about forensic analysis. In an upcoming episode, investigators will comp
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Answer:

<u>DNA fingerprinting</u>

Explanation:

DNA Fingerprinting is the Laboratory technique used for various purpose and commonly in Criminal investigations. The sample taken from crime scene and the suspects are matched and observed for possible involvement of the suspect in the crime. If two samples are same then the suspect is criminal.

3 0
3 years ago
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Which is used to make many copies of DNA?
boyakko [2]

Answer: B. Nuclear transfer!

Explanation:

Nuclear transfer is the process that DNA goes through to get cloned/copied. The cells that make new forms of DNA create a perfect replica.

Hope this answer helps!

7 0
3 years ago
Select all that apply. which of the following are things you can do to reduce pollution? purchase products made from recycled ma
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Purchase products made from recycled material
Recycle used Products
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Walk instead of drive

Driving releases pollutants in the air and when we use gas and oil we are using lots of our natural resources and cutting them down day by day.
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3 years ago
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Based on the food chain below, if a bald eagle acquires 50 kg of energy, how much energy did the herbivorous duck get from the a
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Ten times as much. Did the eagle eat the duck?
6 0
4 years ago
Can you define these words?? Thanks!
padilas [110]

Answer:

<u>Cellulose</u> - It is described as a complex carbohydrate that forms the main constituent of the cell wall in most plants and is important in the manufacture of numerous products like pharmaceuticals, textiles, etc.

<u>Chlorophyll</u> - Any of a group of green pigments that are found in the chloroplasts of plants and in other photosynthetic organisms such as cyanobacteria.

<u>Chloroplast</u> - An organelle found in the cells of green plants and in photosynthetic algae, where photosynthesis takes place.  

<u>Bryophyte</u> - Any plant of the division Bryophyta, defined "sensu lato" to comprise the mosses, liverworts, and hornworts, and corresponding to all embryophytes that are not vascular plants.

<u>Pterophyte</u> - It is characterized as any fern(seedless plant) that is a division of Pteridophyta.

<u>Gymnosperm</u> - Any plant such as a conifer whose seeds are not enclosed in an ovary or those who don't bear seeds or fruits. Example; Cycads.

<u>Cone</u> - A cone-shaped flower head of various plants like banksias and proteas.

<u>Angiosperm</u> - Any flowering plant characterized by having ovules enclosed in an ovary and thus, produces fruits, as well as, seeds.

<u>Flower</u> - A reproductive structure in angiosperms and often conspicuously colorful and typically including sepals, petals, and either or both stamens and/or a pistil.

<u>Cuticle</u> - A noncellular protective covering outside the many invertebrates and plants.

<u>Vascular tissue</u> - The complex tissues that consist of various cell types and primarily responsible for transporting liquid and other nutrients throughout the plant or animal body.

<u>Xylem</u> - A vascular tissue in the land plants primarily responsible for the distribution of water and minerals that are taken up by the roots and also the key component of the wood.

<u>Phloem</u> - A vascular tissue in land plants primarily responsible for the distribution of sugars and the nutrients manufactured in the shoot.

<u>Roots</u> - The part of the plant which is generally underground that anchors and supports the plant body. It absorbs and stores water and nutrients, and in some plants is able to perform vegetative propagation.

<u>Root hairs</u> - The rhizoid of a vascular plant or a tabular outgrowth of a trichoblast, hair-forming cell on the epidermis of a plant root.

<u>Stems</u> - The above-ground stalk of a vascular plant that supports individual parts of a plant like leaves, flower, fruits, etc.

<u>Leaves</u> - The green and flat organ that represents the most prominent feature of the most vegetative plants.

<u>Photosynthesis</u> - The process by which plants and other photoautotrophs convert light energy into chemical energy. For example; Plants use air, water, along with sunlight to synthesize their food(carbohydrates and waste oxygen).

3 0
3 years ago
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