Q5.27. Which of the following statements about the effects of climate change on phenology is true?
1. Climate-induced changes in phenology are expected, but have yet to be documented.
2. Temperature-cued spring events are occurring later, because winters are longer and cooler.
3. Changes in phenology do not affect reproduction and therefore have no impact on fitness.
4. Changes in timing are more likely when events are cued by temperature, not day length.

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.

Plz ! what does it mean for an allele to be dominant?

As an asteroid comes close to earth, it's name will change to? apex