What do all vertebrates and invertebrates have in common?

Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails.

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What are some characteristics of domain eukarya

The segregation that occurs during meiosis results in what

If a pea plant's alleles for height are tt, what is true of its parents? ... a. Both parents were tall ... b. Both parents were short ... c. Both parents contributed a recessive allele ... d. Both parents contributed a dominant allele.

Enzymes are made of protein and a non protein therefore they can not be denatured? True or false?

Who was the first person to attempt to classify the living organisms on earth?

Samples as small as a few skin cells can potentially contain DNA. T/F

At times, the only fossil remains of a dinosaur biped are its footprints. Scientists use footprints to estimate the dinosaur's size. In bipeds, the footprint length is about one quarter to one fifth the length of the dinosaur's leg.

Critical thinking predicting if a woman with type o blood and a man with type ab blood have children, what are the children's possible genotypes?