Answer:
Origin of Heterospory:
The fossil evidence indicates that some sporangia of the plant contained both small and large spores, though the size differences are not so pronounced. So a single sporangium contained both microspores and megaspores. At a later period, the microsporangia and megasporangia might have been differentiated.
Answer:
Jaime<em><u> tiene</u></em> diecisiete años.
Explanation:
Explanation:
1. cincuenta
2. y
3. setenta
4. 711
5. novecientos cincuenta y cuatro
6. 40 + 40 = ochenta
7. treinta y cuatro
So for the usted form, you use the 3rd person singular of the present subjunctive instead of the 2nd person singular present indivatice so, 'hable'
