BIOLOGY MIDDLE SCHOOL

What human activities threaten biodiversity

Answers

Answer 1
Answer: Any type of habitat destruction threatens biodiversity. Logging, construction, farming, building riads, these are but a few examples.

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Explain why convection happens more efficiently in water or air than it does in rock
Observation vs. Inference Quiz1. Examine the data presented and find the statement that represents an inference rather than an observation. (Blemish Cream Data)2. A pot-bellied pig came to the zoo underweight and malnourished. Since then, zookeepers have been following a special diet to improve the health of the pig. What can be inferred from the data in the graph? 3. Identify which of the following descriptions of a tree is quantitative? 4. Some of the following descriptions of pea plants are qualitative and some are quantitative. Which of the descriptions are qualitative?5. One night while sleeping, you are woken up by a car alarm going off. What can you infer about this situation? 6. Which of the statements below are quantitative observations? 7. Which of the following statements is a qualitative observation about the beakers shown in the diagram?

What is the importance of root cap

Answers

The root cap is a small structure but one that serves a very important function for a plant. Protecting the root apical meristem allows for primary growth in the root, which paves the way for lengthening of the plant as well as cell specialization.

Which planet descriptor Does not apply to Jupiter Saturn Uranus and Neptune

Plz hurry

Answers

Answer is D) low-gravity.

Why? Because all outer planets are made up of gas, so C is not it, outer planets are way more bigger than inner planets, so A is not it, and Jupiter, Saturn, Uranus, and Neptune are outer planets, so B is not it. So D is the right answer!

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Three common STIs that sexually active people can contract

Answers

The TOP three most common STIs that sexually active people can contract is Chlamydia, Gonorrhoea, and Syphilis. 

Answer: The three most common STIs: Chlamydia, Gonorrhoea, and Syphilis.

How is sex determined in organisms like humans?A.all of the above
B.the combination of autosomes received from parents
C.the combination of sex chromosomes received from parents
D.the x-linked traits received from the mother

Answers

Answer:

"The combination of sex chromosomes received from parents " .

Explanation:

Sex determination : The process by which sex of a child is determined .

Parental generation :

Mother         Father

XX                   XY (sex chromosomes )

X,X                   X,Y  (gametes )

First filial generation :

       X        Y

X    XX       XY

X     XX       XY

If XX is formed then it is girl and if XY is formed then it is boy .

Conclusion :

  • we concluded that there is 50-50 percent chance of boy or a girl .
  • Sex of a child is determined by father because father produce different gametes .

Answer:

All of the above

Explanation:

Which type of succession takes place where an ecosystem already exists?evolutionary succession

pioneer succession

secondary succession

primary succession

Answers

ANSWER:

Secondary succession takes place where an ecosystem already exists. An ecosystem is made from various plants, animals and life support processes and mechanisms.

EXPLANATION:

  • In an already existing ecosystem, plant and animal species already exist and have adapted to live in the ecosystem.
  • It is these plants and animals that evolve with time and make changes to their body structures to survive in the ecosystem.
  • The animal and plant life in an existing ecosystem is also able to produce offspring that can easily survive and further evolve in the ecosystem thereby ensuring that the species already found in the ecosystem exist for a long time.
Secondary succession

Does the green tea have coffein ???

Answers

i think it have some coffein!
Yes, the green tea leaf has caffiene
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