Birds almost always migrate A: during the day
B: at night
C: on cloudy days
D: at noon

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

bc blah

explanation:

bc blah

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation:

c. live where it’s cold and icy