BIOLOGY MIDDLE SCHOOL

What resources do birds need?

Answers

Answer 1
Answer: Food, water, shelter. Same as any animal!
Answer 2
Answer: Food ,water ,oxygen, carbon dioxide , good environment , trees, and materials to make their nests

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what would most likely happen to the entire ocean food web if plankton were not available? A. all organisms that live in the ocean would not survive B. the organisms would adapt and find another source of food C. only whales and other ocean mammals would be affected?

Answers

C. Only Whales and other ocean mammals would be affected. I think :)

Rob measures the solubility of three different salts in water at 22°C. Which type of graph should he use to display his data?

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The correct answer to this question is a line graph. If Rob needs to create a graph that is able to display the combination of two different values - in this case, level to which the salt has dissolved and time taken - and he needs to have more than one result included, then a line graph is the way to present this.

Explain the process of crossover during meiosis

Answers

Answer:

Homologous recombination is the process by which two chromosomes, paired up during prophase 1 of meiosis, exchange some distal portion of their DNA. Crossover occurs when two chromosomes, normally two homologous instances of the same chromosome, break and then reconnect but to the different end piece.

Neurons are the building blocks of the nervous system. They process and transmit signals. In a neuron, the------- is found inside the--------- . first blank second blank
a.) cell membrane a.) axon
b.)myelin sheath b.) cell body
c.)nucleus c.) dendrite


second blank

Answers

Neurons are the building blocks of the nervous system. They process and transmit signals. In a neuron, the nucleus is found inside the cellbody.

What is nervous system?

Neurons are the nervous system's fundamental structural and functional units. They are the most important components in the signal transmission process. Neuronal function is essential for the nervoussystem to function properly. The following are key components of neurons.

  • Dendrites- Dendrites are responsible for signalreception.
  • The nucleus and cytoplasm are found in the cell body, which is where the signal from dendrites is integrated. It is the cell's metabolic core.
  • Axon- The long-tailed structure of neurons that is myelinated in the CNS by oligodendrocytes and in the PNS by Schwann cells. It conveys the electrical impulse from the cell body to the outside world.
  • The knob-like structure at the end of the axon contains different neurotransmitters and VGIC (voltage-gated ion channels). They're in charge of converting electrical signals into chemical signals at the synapse.
  • The gap between twoneurons is known as a synapse. It is in charge of the signal's unidirectional travel.

Thus, we can conclude that in a neuron, the nucleusis found inside the cell body .

You can learn more about the nervous system here:

brainly.com/question/869589

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the nucleus is found inside the cell body (soma). around the cell body (soma) there are some roots which are the dendrites which is what brings electrical signal to the cell body (soma) and the axons take away information from the cell body

What might happen in a tropical forest biome if the area received very little rain for a extended period of time

Answers

The area will be very dried up and lots of crops that need lots of water will die

How would an object blocking a bronchus affect its airflow?

Answers

Because the lung has two bronchi, it can still function if one bronchus is blocked by a foreign object. No gas exchange will happen to the affected side, and the other lung will compensate for the loss of air. The blocked portion though can become inflamed and can lead to infection and damage.
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