Which of the following identifies specific parts of a plant that must join together to create a new cell? A. pollen and ovule
B. carpel and stamen
C. carpel and ovule
D. pollen and seed

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

Draw the structure of dna nucleotide with adenine as nitrogenous base