Gametes from two plant species combine and produce a haploid zygote, and that zygote develops into a haploid, hybrid plant. why is the hybrid plant sterile? select all that apply.

a. the gametes produced cannot combine with the gametes of other plants.
b. the cells do not contain homologous chromosomes.
c. the plant cannot grow and reproduce asexually.
d. mitosis cannot occur. meiosis cannot occur.

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

Getting out of bed is the first goal i tackle each day. 2several small goals are achieved by me as the day progresses. 3when i am riding the bus home or walking the dog, i think about the bigger goals i have for my life. which statement correctly describes the verb tense, aspect, and voice in this paragraph? a.sentences 1 and 2 contain present progressive verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice. b.sentences 1 and 2 contain simple present verbs. sentence 3 contains present progressive verbs. all three sentences use active voice. c.sentences 1 and 2 contain present progressive verbs. sentence 3 contains simple present verbs. all three sentences use active voice. d.sentences 1 and 2 contain simple present verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice.

Which part of cellular respiration must occur before any of the other steps can occur