Ok, I'm not fully sure but answer B sound right, so I think it's right
Answer:
True. The heart contracts twice per heartbeat. One contraction is the ventricular and the other one is the artrial.
Galapagos species are among those populations whose
members do not interbreed. The reasons that keep them from mating is that they
are separated due to differences in songs and beaks, individuals only recognize
and respond to songs of their own species. Therefore, geographic isolation and different
environments led to changes in traits that affected mating.
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Hello There!
<span>Mendel believed that during the formation of gametes, the pair of genes controlling a trait separate. He called this the principle of segregation.
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Hope This Helps You!
Good Luck :)
- Hannah ❤
Answer: The answer is ROOT
Explanation: Briophytas belong to the plantae kingdom, therefore they have a cell wall in their cells, and chloroplasts. They have sporangia (structure where the spores are produced and stored) but they do not possess proper roots. Instead they have a structure called "rhizoid" whose function is the fixation to the substrate.