BIOLOGY HIGH SCHOOL

What is the best source of information for making decisions about where to shop for food? options: a. friends and family b. food store advertisements c. nutritionists d. consumer reports

Answers

Answer 1
Answer:

Answer:

I guess food store advertisements

Explanation:

If I see any advertisements  of food in the internet I would see if they are good or not :)

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When pollen lands on the stigma of a flower, it grows a tube to travel down to the ovary? 1.) True 2.) false
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The maximum number of wolves that can survive in a particular forest is 230. What is this number called?

Answers

The answer is a carrying capacity.

The carrying capacity is the maximum size of some population, for example, wolves population, that can survive in the given environment, in this case, the forest. It represents the number of animals that can live, reproduce, survive in the given area regarding the indefinite sustainability of this area in terms of resources (food, water, habitat, etc.)

B. carrying capacity

Hope this helps!

Patrick is observing a stained slide of muscle tissue under a microscope. He observes alternating dark and light bands inside the muscles. Which is the probable source of these muscles?A. Blood vessels

B. Skeletal muscles

C. Smooth muscles

Answers

These are skeletal muscles. The alternating bands are regions of actin and myosin.

Chronic fatigue syndrome results from repeated motions performed in the course of normal work and daily activities. a. True b. False

Answers

Answer:

False

Explanation:

Chronic fatigue syndrome refers to the condition of continuous or long term tiredness which is not corrected with the sleep.  

There are many causes of such type of tiredness but the exact cause of the fatigue is not known as this symptom is common to many disorders. The main causes of chronic fatigue are the weak immune system, pathogens and the stress which is increasing with modernisation.

Since there are many causes of the fatigue syndrome therefore only repeated daily activities is not the only option and thus is false.

Thus, false is correct.

explain the importance of the cytological markers (the translocated segment and the chromosome knob) in the creighton and mcclintock's experiment.

Answers

Answer:

Explanation: Cytological markers such as the translocated segment and the chromosome knob play a crucial role in various biological research and applied sciences. These markers have proven to be invaluable tools for understanding genetic diversity, evolution, and gene mapping in organisms. The translocated segment, which is an exchange of genetic material between nonhomologous chromosomes, can provide insights into evolutionary relationships between species. By studying translocations, scientists can determine how different species are related and how genetic material has been exchanged or rearranged during evolution. On the other hand, the chromosome knob is a distinguishing structure found on certain chromosomes that serves as a reliable cytological marker for gene mapping and breeding programs. It facilitates the identification of specific genes associated with particular traits or diseases through cytogenetic techniques. Moreover, these cytological markers enable researchers to develop breeding strategies that aim at improving crops' yield, disease resistance, or other desirable qualities by precisely transferring particular chromosomal segments or genes identified by the presence of knobs and translocations. Hence, understanding the significance of cytological markers is vital for both basic scientific discoveries and practical applications in agriculture and medicine.

which type of volcano forms over hot spots such as those that formed Hawaii?A. cinder cone
B. stratovolcano
C. shield volcano

Answers

it is c.shield volcano

B. strtovolcano

hope this was helpful

What would happen to the mountain lion population if the deer became extinct?

Answers

The mountain lion population will decrease.
The population of the mountain lion will decrease. There is now one less food source for the mountain lion. There will be more competition for food because of the fact that there is less resources. The less resources there are, the lower that the carrying capacity is going to be. 
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