Which statement about modern people and their ancestors is correct?
They are in the same species and the same genus.
They are in the same species but not the same genus.
They are in the same genus but not the same species.
They are neither the same species nor the same genus.
Pertanyaan 4
Pilihan ganda
Which structures are found in a human sperm cell?
A
B
C
D
Pertanyaan 5
Pilihan ganda
Which process is taking place in all three examples?
Assimilation
Diffusion
Osmosis
Translocation
Pertanyaan 6
Pilihan ganda
The table shows the conditions in four test tubes containing equal quantities of starch and salivary amylase. In which test-tube is the starch broken down fastest?
A
B
C
D
Pertanyaan 7
Pilihan ganda
What is being transported in the phloem cells at X in a potato tuber shoot?