1) Thorns or spines: Some plants have developed sharp, pointed structures such as thorns or spines, which can deter herbivorous insects from feeding on them. These structures act as physical barriers, making it difficult for insects to reach and consume the plant's tissues.
2) Trichomes: Many plants have dense coverings of small, hair-like structures called trichomes on their leaves, stems, or other plant parts. Trichomes can form a physical barrier that insect herbivores must navigate through in order to feed on the plant. Some trichomes can also contain toxic chemicals or produce sticky substances that can entrap or repel insects.
3) Tough or fibrous tissues: Some plants have developed tough or fibrous tissues in their leaves, stems, or other plant parts, which can make it difficult for insects to chew or consume them. These plant tissues have high levels of structural compounds such as lignin or cellulose, which provide strength and resistance against herbivory.
What morphological adaptations do plants use to protect
themselves against insect herbivory? (3)
1 answer
1 answer