Question

true or false
1. In chordates notochord replaced by vertebral column in adults
2. sieve plate , tracheids , vessels , phloem , parenchyma, companior cells are elements of phloem
3. A solution is a homogeneous mixture of 2 or more substances
4 . arthropods have jointed legs
​

Answer 1

Answer:

1 t

2 t

3 f

4 t

pls make me brainlist