Which of the reproductive isolating mechanisms given below is postzygotic?

A (Hybrids form but are sterile.

B (The mating season is different.

C (Flowers are pollinated by different insects.

Long after Mendel's Laws were accepted it was observed that crosses between homozygous red snapdragons and homozygous white snapdragons produced "pink" snapdragons.

7. What is the scientific classification for humans (list the specific names for humans for the last two categories of the classification system) ?

People have always had questions about the world around them. The goal of is to answer these questions by obtaining and analysing evidence.

Which word completes the sentence and has the most emotional impact? overlooking missing forgetting neglecting

Why is it important for the chromosomes to condense during mitosis? Question 2 options: to facilitate DNA replication to facilitate chromosome movement to facilitate cytokinesis to facilitate spindle formation

How does information flow through the most common type of cns neuron (iist the 3 regions in the proper order) ?

The thalamus sends auditory information to the primary visual cortex. true or False

Which of the following is an accurate definition of relative age? A. a rock's age as compared to the ages of other rocks B. the number of years since the rock formed C. a rock's age based on how much carbon-14 it contains D.

ALL BUT ONE factor is believed to be the source of Earth's internal heat energy. That is

Which advantages does the skeleton of birds provide for flight? a. Light hollow bones b. Volume and heavy weight for lift c. Rigid structure to anchor strong muscles for flight d. Loosely unconnected bones