BIOLOGY MIDDLE SCHOOL

Which best describes how igneous rocks are formed?A.
Layers of dirt and other rocks are pressed together to form igneous rocks.

B.
Molten material in the earth cools and hardens to form igneous rocks.

C.
Elements in the earth form igneous solids with crystals.

D.
Wind erodes mountains into small igneous rocks.

ASAP.............................................................

Answers

Answer 1
Answer: B.
Molten material in the earth cools and hardens to form igneous rocks.

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In mammals the digestive tract is made up of multiple..............such as the stomach, pancreas andintestines. These all work together to form the........ ...........we use to digest food.​
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Which of the following neuronal pools leads to a long lasting output from a single input and so may be involved in higher order thinking? 1) parallel-after-discharge 2) converging 3) reverberating 4) diverging

Answers

Answer:

1) parallel-after-discharge

Explanation:

Neural circuits are defined as the connections between neurons. These neural circuits are of four types:

  1. Diverging circuits, found in sensory and motor neurons, diverge a single nerve impulse to multiple neurons in the circuit, amplifying the original signal.
  2. Convergent circuits, also found in sensory and motor pathways, converge multiple nerve impulses into a single one. These pathways are predominantly involved in inhibition and stimulation.
  3. Reverberating circuits, involved in control of sleep-wake cycle and breathing, consist of a neuron chain along which the impulse travels.
  4. Parallel after discharge, involved in cognition and mental processing, are a combination of convergent and divergent circuits. They result in an output impulse that lasts at least 15 m/s after the input impulse ends.

If brown eyes are dominant over blue eyes, how can two brown-eyed parents have a blue-eyed child?

Answers

Lets say B is for brown eyes and BL is for blue.

The parents chromosomes could look like this Bbl and Bbl. This would make a small chance of having a blue-eyed child.


Have a great day!

Which diagram best illustrates the relationship between the number of cells, tissues, and organs in a complex multicellular organisms

Answers

if it has more than one cell like the humin body it is a multiceller and it can bulid up to tissues or musscle to organs to organ systems

What energy takes place within cells?

Answers

Answer:

cellular respiration

Explanation:

Answer:

Metabolism i believe

Explanation:

Examine the diagram of a cell. Which accurately labels the lysosome?

Answers

Answer:

x

Explanation:

Answer:

x

Explanation:

Adapted from images courtesy of NIH and Wikipedia.Looking at the figures provided, assume that the figures are drawn to the same scale. Which of the following is the largest structure in the animal cell?
A.
vacuole
B.
mitochondrion
C.
cell wall
D.
nucleus

Answers

Answer:

Nucleus

Explanation:

It is enclosed by a nuclear membrane perforated by numerous pores. It regulates the activities of the rest of the cell. It contains chromosomes which carry the hereditary materials. One or more densely staining bodies called nucleoli is present in the nucleus. It is site for synthesis of ribosomes

Answer:

nucleus

Explanation:

The nucleus is the largest, most prominent organelle in an animal cell. The nucleus is a round or oval body that is surrounded by the nuclear envelope and contains the genetic information necessary for control of cellular functions.
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