Hag Fish and Lamprey
Vertebrates are the organism which posses a vertibral column(aka the spine or back bone structure), while the earliest had a head they lacked a spine and jaw, these jawless vertebrae lived 500-600 million years ago. they are the ancestors of bony fish which in time became amphibians and other groups of animals
No the right answer is A. Homeostasis allows organisms to regulate their temperature because it makes sure the organisms cells do not burst or shrink. This allows the organism to survive.
Answer:
c chemical fertilizers they are produced vy people used on plants and the run off leads to water sources
17 a
The figure A and B is a plant cell because it is shaped like a box C and D are animal cells because they are circles
17b
Figure A is going through telophase figure B is going though prophase
C is anaphase
D is also telophase
Horizontal or transverse or axial cut is if you cutting the object with the horizontal plane. The cut would look like ( -- ).
Vertical or longitudinal is cutting in the vertical plane. The cut would look like ( | )
There is also coronal cuts which were a cut with direction from front to back.