BIOLOGY HIGH SCHOOL

Our environment provides us with vital processes called ecosystem services. a. True
b. False

Answers

Answer 1
Answer: The answer would be A true.   

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Healthy adult at rest is most likely to show an eeg pattern characterized be a high level of

Answers

Alpha wavesA healthy adult at rest is most likely to show an EEG pattern characterized by a high level of alpha waves.

Alpha waves are types of brain waves detected by using medical equipment such as magnetoencephalography (MEG) or electroencephalography (EEG), which measures the oscillation of electrical impulses in various sections on the scalp. Alpha waves usually come from the occipital lobe when the eyes are closed during wakeful relaxation such as when performing aerobic exercise. Alpha waves are minimized when sleeping or when the eyes are opened.  

Why must there be variation in a population in order for natural selection to occur?

Answers

In natural selection, genotype variations that will increase the chance of survival and reproduction of some organism are preserved and will be inherited. If there is no variation, then all individuals have the same chance to survive and nothing will be particularly selected.

I need some notes about cell membrane

Answers

Answer:Cell membrane

Explanation:Forms a boundary between a cell and the surrounding environment and controls the passage of materials into and out of the cell.

Answer:

Cell Membrane (These are from my personal Biology Notes)-

Explanation:

Found in all cells (FIAC)

Selectivity permeable

Embedded with proteins

Regulates what enters or exits the cell

Phospholipid bilayer

Polar: head is hydrophilic (Likes water)

Nonpolar: tail; hydrophilic

What does the theory of evolution contribute to conservation biology?

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The theory of evolution of Charles Darwin truly made a big impact, not just on science, but also to everyone's mind and beliefs. This theory contributes to the conservation of biology by helping the scientists to study and understand a population of species and on how they can react and change in their own environments. This will help the scientists to possibly save these species.

Many cacti do not have leaves but rather have oversized stems.. what role of leaves is therefore taken on by the stems of cactia. they produce food by photosynthesis

b. they absorb water and nutrients from the soil

c. They transport materials throughout the plant

d. they store excess water

Answers

The answer is A. They produce food by photosynthesis.
The function of leaves is taken on by stems of such cacti.

What is used to select the entire table

Answers

Answer:

Select an entire table using a keyboard. To select an entire table using a keyboard, position the cursor in the first cell of the table. Press Alt + Shift + End on your keyboard to select to the end of the first row and then press Alt + Shift + Page Down to select to the last cell.
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