Question

Fill in the blanks with suitable words:

21. Bacteria and fungi can respire________.

22. Haemoglobin is present in_______cells.

23. The fusion of male and female gametes is termed as_________.

24. The basic unit of time is________.

25. The combination of two or more cells is called a __________.​

Answer 1

Explanation:

21) anaerobic respiration

22) blood

23) fertilization

24) second

25) tissue

Answer 2

Explanation:

i) Anaerobic respiration.

ii) reb blood cells.

iii) fertilisation.

iv) second.

v) fusion

hope it will help you