Secondary succession occurs more quickly than primary succession mainly because .

a. disturbances in the community exposes more soil
b. rocky areas contain more minerals
c. nitrogen-fixing bacteria are present
d. sunlight is more available
e. improved soil is present from the start

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality