15.11.2021

You may have noticed that above a certain mutation rate the time required for population to adapt it back on my increase. Why do you think this is so?

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Biology

In school, Brendan has been conditioned to get up from his seat every time he hears the school bell ring. Brendan was sitting at McDonalds eating with friends, when a loud sound similar to the school bell rang from the kitchen. Without even thinking, Brendan jumped out of his seat at McDonalds. Label the following for this scenario: Unconditioned Stimulus (US): Conditioned Stimulus (CS): Unconditioned Response (UR): Conditioned Response (CR):

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In school, Brendan has been conditioned to get up from his seat every time he hears the school bell ring.

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Biology

Which object was developed to help astronomers learn more about the Sun?

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The Parker probe.

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Biology

Give examples of myths about aging that many people believe. Why are these myths harmful?

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Myths about aging :

Depression and loneliness are normal in older adults. ...

The older I get, the less sleep I need. ...

Older adults can't learn new things. ...

It is inevitable that older people will get dementia. ...

Older adults should take it easy and avoid exercise so they don't get injured.

Myths about aging : Depression and loneliness are normal in older adults. ...The older I get, t

Biology

Using the map provided, rank the following cities in order of earthquake risk from high risk to low risk: Little Rock, AR Miami, FL San Francisco, CA New Orleans, LA

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Rank the following cities in order of earthquake risk from high risk to low risk:

Biology

Which structure could a scientist look for in a plant that would identify it as a club moss rather than a liverwort? phloem spores rhizoids flowers

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A scientist look for in a plant that would identify it as a club moss rather than a liverwort.

Biology

Drag the item from the item bank to its corresponding match. ITEM BANK: Move to Top ChromosomeDNADiploidEggGameteHaploi dMeiosisReplicationSexual ReproductionSperm This is an organism or cell with two sets of chromosomes. This is a haploid cell with half the reproductive information from the parent. This is a cell or organism having half of the diploid chromosome number, symbolized by "n". This is the structure in the cell nucleus that houses a cell s genetic information. This holds an organisms hereditary information. This is a process

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Chromosome DNA Diploid EggGamete Haploid Meiosis Replication Sexual Reproduction Sperm..
This is an organism or cell with two sets of chromosomes.
This is a haploid cell with half the reproductive information from the parent.
This is a cell or organism having half of the diploid chromosome number, symbolized by "n".

Biology

What change is likely to occur in a population of beetles that suddenly faces predation from an invasive species of frogs? A. The beetles survivorship curve will change type. B. The beetles minimal viable population will decrease. C. The carrying capacity of beetles will increase. D. The population density of beetles will decrease.

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D. The population density of beetles will decrease.

Biology

Using the term water potential, explain why the onions ; (i)gained mass when soaked in dilute solutions of sodium chloride (ii)lost mass when soaked in concentrated solutions of sodium chloride

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when soaked in dilute sodium chloride solution onion gain mass because of the process of osmosis.

Explanation: Osmosis is a process when there is movement of water from the region of comparatively higher concentration to the region of lower concentration across in a permeable membrane.

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when soaked in dilute sodium chloride solution onion gain mass because of the process of osmosis.&nb

Biology

Using the term water potential, explain why the onions ; (i)gained mass when soaked in dilute solutions of sodium chloride (ii)lost mass when soaked in concentrated solutions of sodium chloride

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P Answered by PhD

when soaked in dilute sodium chloride solution onion gain mass because of the process of osmosis. Explanation: Osmosis is a process when there is movement of water from the region of comparatively higher concentration to the region of lower concentration across in a permeable membrane.