Answer:
The ecosystem will become more stable because the pika will no longer be. there to eat the grasses, the birds will migrate to other ecosystems during. nesting season, and the soils will be able to absorb more of the monsoon. D.
Explanation:
Answer: These may be:
- physical defenses (1st line)
- chemical defenses (2nd line)
Explanation:
Plants employ several methods in order to defend themselves from pathogens. These may be physical defenses or chemical ones. Several have adaptations to their surfaces that prevent the entry of pathogens, called physical barriers such as
- thick waxy cuticles
- thorns, which are modified plant branches
- spines, which are modified plant leaves
- gall production at infected sites to prevent pathogenic spread
Chemical defenses include the production or secretion of:
- defensins
- antimicrobials such as tannins or resins
- gum at areas facing pathogenic attacks
A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics.
Leather shoes are made from natural polymers; raincoats are made from synthetic polymers."
