Biology Answers

Irish potato farmers chose to primarily plant a single variety of potatoes, the Irish Lumper. Suppose farmers had planted a wide variety of potato types and other crop plants instead. Could that have reduced the negative impact of the water mold on the human populations during the Irish Potato Famine?

Explain how the guard cell/stomata complex opens and closes to conserve water. Include the topics of active transport, passive transport, tonicity, and plant anatomy to explain the process of opening/closing the stomata

What is meant by 6-8 cell stage?

if an athlete is running a marathon (26.2 miles) explain how the athlete would experience a change in energy production using the concepts of aerobic and anaerobic respiration

One population of lizards lives in the Congo rainforest one lives on the adjacent (next to) savannah, there is no physical barrier but the populations rarely interact. Is speciation occurring? If so, what type of reproductive isolation is occurring? As a result, what type of speciation is occurring?

What features justify the placing of prawn and grasshopper in different ellat classes

The green appearance of leaves is caused by a) the presence of carotenoids IN the photosystem b) the converging of energy to chlorophyll A c) the absorption of the all wavelength other than green d) the carbohydrates of the cell wall.

In the process of photosynthesis oxygen is a .... a) waste product caused by a water molecule being split. b) colour absorbing pigment c) source of high energy electrons used to split water d) molecule used to bond to glucose

If a cell is produced by Meiosis it has 2/3 of the original DNA? Is true or fasle if false why?

The stage where the DNA is duplicated is Telophase? Is it true or false if false why?